What causes muscle contraction and the vocal cords partically obstruct?

Neuromuscular tissue is capable of causing cardiac muscle to contract rhythmically. This tissue comprises the sinoatrial node, the atrioventricular node, and the atrioventricular bundle.

What is a branching system of vessels that transports blood from the right and left ventricles of the heart to all body parts; transports blood away from the heart.

The two upper chambers of the heart are the ___________ and _________.

A band of fibrous connective tissue attaching muscles to bones is a:

What is the outer membranous sac surrounding the heart.

Which of the following is NOT a function of the liver.   

There are ________ permanent teeth.

The single-leg Romanian deadlift can be performed with the weight held in the hand of the same side of the body as the support leg (_______) or in the hand of the opposite side of the body as the support leg (_______). 

An athlete is performing repeated walking knee lift stretches. Which of the following is the best definition of the type of stretching being completed?