The left atrium collects blood from the __________ and empties into the left ventricle.

pulmonary circuit
portal circuit
systemic circuit
hypophyseal circuit
all of the choices are correct


pulmonary circuit

Anatomy & Physiology

You might also like to view...

The delivery of the placenta is the third stage of labor

Indicate whether the statement is true or false

Anatomy & Physiology

List 5 tools or pieces of equipment found in a veterinary lab

What will be an ideal response?

Anatomy & Physiology

A bacterial endospore can...

A) also be classified as an acid-fast bacterium. B) exist in latent from inside a host cell. C) reproduce very rapidly. D) survive high temperatures and dry environment.

Anatomy & Physiology

Excitation of the vasomotor center results in

A.  increased sympathetic activity and predominantly more vasoconstriction than vasodilation. B.  increased parasympathetic activity and predominantly more vasodilation than vasoconstriction. C.  increased autonomic activity that increases heart rate and dilates blood vessels. D.  decreased autonomic activity that decreases heart rate and constricts blood vessels. E.  redistribution of blood flow away from the skeletal muscles and toward  the skin.

Anatomy & Physiology