What percentage of blood is made up of plasma?
Your friend Amanda suffers from a condition that reduces her blood's ability to carry oxygen. Which of the following is the name of that condition?
Nutrients and waste both enter and leave cells through a process called __________.
Once entering the nose, air moves through both the pharynx and larynx.
What function do capillaries serve in the cardiovascular system?
White blood cells prevent the loss of blood by causing clotting. Please select the best answer from the choices provided.
How many chambers does the heart contain?
Each lung is fed oxygen by a separate bronchus.
The right ventricle transports oxygenated blood to the lungs.
The aorta carries blood out of the heart to the rest of the body. Please select the best answer from the choices provided.
What percentage of blood is made up of plasma?
The human cardiovascular system is considered closed because __________.
Arteries carry oxygen-rich blood to capillaries. Please select the best answer from the choices provided.
All cardiovascular diseases are caused by poor lifestyle choices.
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