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
11:24
Overview of the Peripheral Nervous System
9:58
Hormones Intro & working | Control & Coordination | Biology | Khan Academy
13:29
Lymph, lymph nodes, & lymphatic system | Life processes | Biology | Khan Academy
13:06
The Peripheral Nervous System: Nerves and Sensory Organs
8:30
Worst Time to Drink This
14:35