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Endocrine gland hormone review (video) | Khan Academy
Welcome to the Endocrine System. Get ready to learn about one of the most important ways that our body parts communicate! By Ryan Patton.
Khan Academy
Learn about the basic principles of cell signaling and how cells communicate with each other.
复习内分泌腺激素知识 (视频) | 内分泌系统简介 | 可汗学院
have you ever thought about the way the different parts of our body communicate and I think we often consider the body to be this one complete thing this this self but really our body is …
Neuronal synapses (chemical) - Khan Academy
It's exiting the cytoplasm, you could say, of the presynaptic neuron. These neurotransmitters-- and you've probably heard the specific names of many of these-- serotonin, dopamine, epinephrine …
Khan Academy
Together, Raf, MEK, and the ERKs make up a three-tiered kinase signaling pathway called a mitogen-activated protein kinase (MAPK) cascade.(A mitogen is a signal that causes cells to …
Types of hormones (video) - Khan Academy
So when I introduced the endocrine system, I mentioned that hormones can be classified by where they function. And we talked about autocrine function and paracrine function and …
可汗学院 - Khan Academy
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Explore Khan Academy's Class 10 Biology resources, including videos, practice exercises, and quizzes to help you learn and understand key concepts.
Khan Academy
Let's learn the 5 major plant hormones and how we can remember their functions.