What is one function of the Skeletal system?

A. It helps the heart pump correctly.
B. It Protects Internal organs and tissues
C. It transmits messages to and form the brain
D. It's Acts as the body's command center

What are three major influences on whether someone starts to use tobacco

Ascientist introduced mutations in a gene sequence isolated from bacteria. study the sequence, and identify the steps where the mutations may affect the formation of proteins. in the sequence, black letters stand for protein coding regions and red letters stand for noncoding regions.

Neurotransmitters bind to the to initiate communication. a. neural receptor b. mylar sheath c. synapse d. hormones