Nervous system 3, Reflex arc.

Name: Nervous system 3, Reflex arc.
Uploaded: 2015-12-24T17:01:48Z
Duration: 11:13
Channel: Dr. John Campbell
Description: Reflexes occur to protect the body from tissue damage; they are rapid involuntary actions. For example, the arm will suddenly be withdrawn if it…

126.4K views · 10 years ago · 11:13

Dr. John Campbell

Educational creator

Dec 24, 2015 · 126.4K views

Reflexes occur to protect the body from tissue damage; they are rapid involuntary actions. For example, the arm will suddenly be withdrawn if it…