Why is the myocardium important? Check all that apply.

A. It is responsible for making the heart pump.

C. It allows the heart to relax and receive blood.

These are correct, already answered for those who are looking ;)

Which biofeedback measurement is correct? ekg assesses electrical activity conducted by our muscles an emg is a test that assesses electrical activity conducted by the heart an eeg is a test that assesses electrical activity conducted by the adrenal glands a gsr is a test that assesses electrical activity conducted by the skin