Nervous system (central & peripheral) | Control & Coordination | Biology | Khan Academy
11:12
Reflex action (& reflex arc) | Control & Coordination | Biology | Khan Academy
14:36
Brain: Parts & functions (Fore, mid & hind) | Control & Coordination | Biology | Khan Academy
10:02
Peripheral Nervous System: Crash Course Anatomy & Physiology #12
9:58
Hormones Intro & working | Control & Coordination | Biology | Khan Academy
11:24
Overview of the Peripheral Nervous System
12:33
Genes, DNA & chromosomes | Heredity & Evolution | Biology | Khan Academy
14:35
Major plant hormones (& how to remember) | Control & Coordination | Biology | Khan Academy
9:22