Question

what are the components of the cardiovascular system?
a heart, pancreas, liver
b heart, bones, cartilage
c heart, blood, branching vessels
d heart, kidneys, intestines

Explanation:

The cardiovascular system consists of the heart, blood, and blood vessels (including branching vessels) that transport blood. Option A includes organs of the digestive/endocrine system, Option B includes skeletal system components, Option D includes organs of excretory/digestive systems. Only Option C has components specific to the cardiovascular system.

Answer:

C. Heart, blood, branching vessels