The strength of a muscle contraction depends in part on how many motor units are stimulated

Excitation occurs when the synaptic vesicles release

ATPase hydrolyzes the ADP molecule

GABA is an _______________ neurotransmitter

Which of the following is/are voluntary muscle

Which of the following are effectors of the nervous system 

The circuit where there is one input and many one outputs is

The largest motor units are found in the smaller muscles

What are the four elements that make up 96% of living matter [a]A) C, P, K, HB) Na, K, Cl, OC) C, H, N, PD) C, O, N, HE) O, CO2, H, N

Homeostasis can be described as [a] A) lowest possible energy usage in a system B) maintaining a relatively stable internal environment although the external environment changes C) a static state with no deviation from preset points D) a dynamic state within an unlimited range, depending on circumstances E) a state of continuous imbalance