The Cardiovascular and Respiratory Systems Answers

The right ventricle transports oxygenated blood to the lungs.

The human cardiovascular system is considered closed because __________.

White blood cells prevent the loss of blood by causing clotting. Please select the best answer from the choices provided.

What function do capillaries serve in the cardiovascular system?

Nutrients and waste both enter and leave cells through a process called __________.

Air is warmed and moisten as it moves through both the mouth and nasal passages. Please select the best answer from the choices provided.

What percentage of blood is made up of plasma?

Arteries carry oxygen-rich blood to capillaries. Please select the best answer from the choices provided.

How many chambers does the heart contain?

Once entering the nose, air moves through both the pharynx and larynx.