https://www.khanacademy.org/science/in-in-class-10-biology/in-in-life-processes/in-in-transportation-in-plants/v/xylem-transpiration-life-processes-biology-khan-academy 2020-09-09T23:28:03Z Xylem & transpiration Let's learn how transpiration helps water transport in xylem Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/Ee5SGg22NWShreOHB93EfcQIRN0HWeB2jxfVn9JH1b8CkziBxcPVtRMOr1aNH3QaSWJeJwDA2HNRT7lneBVrKnU Xylem & transpiration Let's learn how transpiration helps water transport in xylem https://cdn.kastatic.org/ka-youtube-converted/d60lqIfGeQw.mp4/d60lqIfGeQw.mp4 805 Life Processes in Living Organisms https://www.khanacademy.org/science/in-in-class-10-biology/in-in-life-processes/in-in-transportation-in-plants/v/phloem-translocation-life-processes-biology-khan-academy 2020-09-09T23:28:09Z Phloem & translocation Let's explore the translocation through phloem Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/499-wK4LHgk3mVT7IRQ6RykBqcqPocYfapE4URL_R9iI7s3kfwfj-FlMvbOLq6ysl86ZNHFv07CNp4FUBiiYIGE Phloem & translocation Let's explore the translocation through phloem https://cdn.kastatic.org/ka-youtube-converted/hZAxvlXDiqA.mp4/hZAxvlXDiqA.mp4 787 Life Processes in Living Organisms https://www.khanacademy.org/science/in-in-class-10-biology/in-in-life-processes/in-in-transportation-in-plants/e/transportation-in-plants 2026-03-05T08:50:45.400692349Z Transportation in plants In this exercise we practice on how fluids are transported in plants. Saiyem exercise https://www.khanacademy.org/science/health-and-medicine/human-anatomy-and-physiology/introduction-to-the-kidneys/v/meet-the-kidneys 2023-08-17T23:33:36.770424498Z Meet the kidneys! The kidneys play a vital role in filtering blood and producing urine. Understand how these fist-sized organs receive oxygenated blood, hold onto essential nutrients, and expel waste products. Discover the unique dual capillary system, the vasa recta and peritubular capillaries, that make this process possible. Raja Narayan video https://cdn.kastatic.org/googleusercontent/5k1OWSEHDL2rqpTqZ_0YQRFJjyey3GqT_ZZE8E-3uKOxOVbn8faldAVTLUKAWWYg-Ow-hkUCHzBhMc2GcP8jYZQ4 Meet the kidneys! The kidneys play a vital role in filtering blood and producing urine. Understand how these fist-sized organs receive oxygenated blood, hold onto essential nutrients, and expel waste products. Discover the unique dual capillary system, the vasa recta and peritubular capillaries, that make this process possible. https://cdn.kastatic.org/ka-youtube-converted/mcQQGGShmLs.mp4/mcQQGGShmLs.mp4 384 Life Processes in Living Organisms https://www.khanacademy.org/science/health-and-medicine/circulatory-system/blood-pressure-control/v/parts-of-a-nephron 2020-10-23T18:44:07Z Parts of a nephron Learn about the 5 major parts of the kidney's nephron. Rishi is a pediatric infectious disease physician and works at Khan Academy. Rishi Desai video https://cdn.kastatic.org/googleusercontent/AwM9zsQLqQeobuHlhZSWif-ms9cZowAlGY8hybgEoVMRJtzdT23p5cKACJDZKleVrcMvclyakzsr0gaHYczUW4g Parts of a nephron Learn about the 5 major parts of the kidney's nephron. Rishi is a pediatric infectious disease physician and works at Khan Academy. https://cdn.kastatic.org/ka-youtube-converted/_vBJkK4eocA.mp4/_vBJkK4eocA.mp4 549 Life Processes in Living Organisms https://www.khanacademy.org/science/how-does-the-human-body-work/x0fe8768432761c62:excretory-products-and-their-elimination/x0fe8768432761c62:regulation-of-kidney-function-and-hemodialysis/v/hemodialysis 2023-06-08T11:07:19.872850684Z Hemodialysis Here we give a description of the process of dialysis as an artificial procedure of excretion. Khadijatul Qubra video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Hemodialysis Here we give a description of the process of dialysis as an artificial procedure of excretion. https://cdn.kastatic.org/ka-youtube-converted/q6mDn8GPGpI.mp4/q6mDn8GPGpI.mp4 378 Life Processes in Living Organisms https://www.khanacademy.org/science/bmc-grade-9-science/x345505a97fc4a662:life-processes-in-living-organisms/x345505a97fc4a662:excretory-system/v/excretion-in-plants-and-animals 2024-09-30T07:31:21.252473917Z Excretion in Plants and Animals How do different organisms excrete their waste products? What types of wastes are formed? Watch this video to understand excretion in plants and animals. Nivedhitha Suresh video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Excretion in Plants and Animals How do different organisms excrete their waste products? What types of wastes are formed? Watch this video to understand excretion in plants and animals. https://cdn.kastatic.org/ka-youtube-converted/xzC6uGbhFAo.mp4/xzC6uGbhFAo.mp4 556 Life Processes in Living Organisms https://www.khanacademy.org/science/revision-up-science-class-6-full-term/x00110b31861f2508:week-4/x00110b31861f2508:living-creatures-exploring-their-characteristics/v/response-to-stimulus-tropism 2023-11-30T06:20:11.15616023Z Response to stimulus (Tropism) Let's explore phototropism, thigmotropism, gravitropism and chemotropism Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Response to stimulus (Tropism) Let's explore phototropism, thigmotropism, gravitropism and chemotropism https://cdn.kastatic.org/ka-youtube-converted/nYyyXF4l-pk.mp4/nYyyXF4l-pk.mp4 266 Life Processes in Living Organisms https://www.khanacademy.org/science/bmc-grade-9-science/x345505a97fc4a662:life-processes-in-living-organisms/x345505a97fc4a662:nervous-system/v/movement-due-to-growth-plant-hormones 2023-11-30T06:20:11.15616023Z Movement due to growth (plant hormones) Let's explore the important plant hormones - Auxin, Gibberellin, Cytokinin, and Abscisic acid Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Movement due to growth (plant hormones) Let's explore the important plant hormones - Auxin, Gibberellin, Cytokinin, and Abscisic acid https://cdn.kastatic.org/ka-youtube-converted/myWEJl46a1k.mp4/myWEJl46a1k.mp4 152 Life Processes in Living Organisms https://www.khanacademy.org/science/bmc-grade-9-science/x345505a97fc4a662:life-processes-in-living-organisms/x345505a97fc4a662:nervous-system/v/tropism-types-positive-negative-control-coordination-biology-khan-academy 2020-09-09T11:53:28Z Tropism (Types, positive & negative) Let's explore (+ & -) photo, geo, chemo, thigmo, & hydrotropism. Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/zsUenN3meUMYJKLNWeSf7kC_ZjNr1kBaLLUvFfsXWyi_YAZeeGUnzrLRc_M1jMrzPqog5ZXU80RBntFG7mV21TREmw Tropism (Types, positive & negative) Let's explore (+ & -) photo, geo, chemo, thigmo, & hydrotropism. https://cdn.kastatic.org/ka-youtube-converted/J9D8a7lHZSQ.mp4/J9D8a7lHZSQ.mp4 683 Life Processes in Living Organisms https://www.khanacademy.org/science/revision-up-science-class-6-full-term/x00110b31861f2508:week-4/x00110b31861f2508:living-creatures-exploring-their-characteristics/e/in-in-tropism-in-plants 2026-03-05T08:50:45.400692349Z Tropism in plants This exercise provides practice for tropism in plants and its types. saiyem exercise https://www.khanacademy.org/science/bmc-grade-9-science/x345505a97fc4a662:life-processes-in-living-organisms/x345505a97fc4a662:nervous-system/v/nervous-system-central-peripheral-control-coordination-biology-khan-academy 2020-09-09T11:53:29Z Nervous system (central & peripheral) Let's explore the central and peripheral nervous system Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/1ag4PJ1JvGWfTXLibVTGymiB9-4Obf-cdwtgtH1s3OBUDRsVB-TbIU4zaHD9eyNfApYRk13JK6DCOabvo1GJiZfBwA Nervous system (central & peripheral) Let's explore the central and peripheral nervous system https://cdn.kastatic.org/ka-youtube-converted/RClEbcPD9q0.mp4/RClEbcPD9q0.mp4 615 Life Processes in Living Organisms https://www.khanacademy.org/science/biology/human-biology/neuron-nervous-system/v/anatomy-of-a-neuron 2021-03-23T22:19:12Z Anatomy of a neuron Neurons (or nerve cells) are specialized cells that transmit and receive electrical signals in the body. Neurons are composed of three main parts: dendrites, a cell body, and an axon. Signals are received through the dendrites, travel to the cell body, and continue down the axon until they reach the synapse (the communication point between two neurons). Sal Khan video https://cdn.kastatic.org/googleusercontent/Rrix3I9XqqAtLRbxXUKH-dgpg8iVCgVIkwH2WGb-cbt6r1tfcW8YS9T18QAite6Y8CBUsVFF4sGQTwYSu-X7xbVe Anatomy of a neuron Neurons (or nerve cells) are specialized cells that transmit and receive electrical signals in the body. Neurons are composed of three main parts: dendrites, a cell body, and an axon. Signals are received through the dendrites, travel to the cell body, and continue down the axon until they reach the synapse (the communication point between two neurons). https://cdn.kastatic.org/ka-youtube-converted/ob5U8zPbAX4.mp4/ob5U8zPbAX4.mp4 373 Life Processes in Living Organisms https://www.khanacademy.org/science/how-does-the-human-body-work/x0fe8768432761c62:neural-control-and-coordination/x0fe8768432761c62:human-nervous-system/v/reflex-action-reflex-arc-control-coordination-biology-khan-academy 2020-09-09T11:53:30Z Reflex action (& reflex arc) Let's learn the mechanism of reflex actions Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/ifKyswiGwOkhtiWox35UUnUav3v21fYfcY9vLS1oybfmD8GtcrLCUkMY5tBOhcoLtExQmAc_XSE_zZsUFQl-K1k Reflex action (& reflex arc) Let's learn the mechanism of reflex actions https://cdn.kastatic.org/ka-youtube-converted/Qiv8dUp_I3c.mp4/Qiv8dUp_I3c.mp4 672 Life Processes in Living Organisms https://www.khanacademy.org/science/up-biology-grade-11-revision-course-full-term/x01ceb15d0be61009:week-3/x01ceb15d0be61009:untitled-614/v/brain-parts-functions-fore-mid-hind-control-coordination-biology-khan-academy 2020-09-09T11:53:30Z Brain: Parts & functions (Fore, mid & hind) Let's learn the functions & parts of fore, mid & hindbrain. Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/lAVJujLrAfSu7vhCKu-0V4T0-LKlfz3bqbs7hKF0_2VUQUSuu-J99Z8PHho4ZWv8F0QOkG7MVl9j6gCMZ0t0uJfg Brain: Parts & functions (Fore, mid & hind) Let's learn the functions & parts of fore, mid & hindbrain. https://cdn.kastatic.org/ka-youtube-converted/DtkRGbTp1s8.mp4/DtkRGbTp1s8.mp4 876 Life Processes in Living Organisms https://www.khanacademy.org/science/how-does-the-human-body-work/x0fe8768432761c62:neural-control-and-coordination/x0fe8768432761c62:human-nervous-system/e/functions-of-brain 2026-03-05T08:50:45.400692349Z Functions of brain An exercise to test basic functions of different parts of the brain. saiyem exercise https://www.khanacademy.org/science/how-does-the-human-body-work/x0fe8768432761c62:neural-control-and-coordination/x0fe8768432761c62:overview-of-the-nervous-system/e/neurons 2026-03-05T08:50:45.400692349Z Neurons This exercise provides practice for basic understanding of a neuron. saiyem exercise https://www.khanacademy.org/science/revision-term-2-tg-biology-class-8/x04828215b460a495:week-3/x04828215b460a495:the-age-of-adolescence/v/hormones-intro-working-control-coordination-biology-khan-academy 2020-09-09T11:53:30Z Hormones Intro & working Let's explore how hormones work and contrast it with the nervous system. Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/pN3wcXoCV8sjj1M7S7Qo4SiJdMY2l3bVXhkhTujbo899h2wyPVH7XPlmE35ivUB6V-PHEWkTrwqIRFVp3GwGGNS7 Hormones Intro & working Let's explore how hormones work and contrast it with the nervous system. https://cdn.kastatic.org/ka-youtube-converted/gaN0ceyrpqQ.mp4/gaN0ceyrpqQ.mp4 598 Life Processes in Living Organisms https://www.khanacademy.org/science/up-biology-grade-11-revision-course-full-term/x01ceb15d0be61009:week-1/x01ceb15d0be61009:untitled-578/v/major-plant-hormones-how-to-remember-control-coordination-biology-khan-academy 2020-09-09T11:53:26Z Major plant hormones (& how to remember) Let's learn the 5 major plant hormones and how we can remember their functions. Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/GOt6IQceO9fAInrdiRbshZMVi9Hidjf2NT1SLXtCeKORqHB1ye1hPQhUo1BSSzYrz9op-qumpLE0jqTnV73HFPlG Major plant hormones (& how to remember) Let's learn the 5 major plant hormones and how we can remember their functions. https://cdn.kastatic.org/ka-youtube-converted/dV9QcGs58l0.mp4/dV9QcGs58l0.mp4 875 Life Processes in Living Organisms https://www.khanacademy.org/science/shs-biology-2/x2ea931c66bba6acd:unit-1-name/x2ea931c66bba6acd:plant-growth-and-development/e/plant-hormones 2026-03-05T08:50:45.400692349Z Plant hormones This exercise assesses student's understanding of role of four major plant hormones. saiyem exercise https://www.khanacademy.org/science/shs-biology-2/x2ea931c66bba6acd:unit-1-name/x2ea931c66bba6acd:nervous-system/v/endocrine-system-major-hormones-functions-control-coordination-biology-khan-academy 2020-09-09T11:53:29Z Endocrine system (major hormones & functions) Let's explore the major endocrine glands, their major hormones, their major functions. Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/eSkO1W4Op1O1d5YPTEYsTvZFFWTT0_SIjeXVMfyNhBSoQYWZ_kgxc6cKPoBODFH3koL3ztmA0U-A4eS4jFKJmNU Endocrine system (major hormones & functions) Let's explore the major endocrine glands, their major hormones, their major functions. https://cdn.kastatic.org/ka-youtube-converted/ySkk7U_4PeY.mp4/ySkk7U_4PeY.mp4 666 Life Processes in Living Organisms https://www.khanacademy.org/science/shs-biology-2/x2ea931c66bba6acd:unit-1-name/x2ea931c66bba6acd:nervous-system/v/hormone-feedback-mechanism-control-coordination-biology-khan-academy 2020-09-09T11:53:30Z Hormone feedback mechanism Let's explore how the feedback mechanism regulates hormones. Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/uFfbyjD-pdr3JDW32APcRfiIHO4sQ_ULVHRRdq4LzujevLHgEdQNylRRiU8_jz8neT1tiHkDuA6beRosm9tpGbh56w Hormone feedback mechanism Let's explore how the feedback mechanism regulates hormones. https://cdn.kastatic.org/ka-youtube-converted/6llFB_yr1WI.mp4/6llFB_yr1WI.mp4 696 Life Processes in Living Organisms https://www.khanacademy.org/science/how-does-the-human-body-work/x0fe8768432761c62:chemical-coordination-and-integration/x0fe8768432761c62:adrenal-and-pancreas/e/hormones-in-animals 2026-03-05T08:50:45.400692349Z Hormones in animals An exercise to provide students practice for endocrine system. saiyem exercise