The heart, blood, and blood vessels combine to form which of the following?
A) a group of cells
B) an organ system
C) the smallest level of organization
D) an organ
E) an individual living entity

Question

Quizplus · Accepted Answer

The heart, blood, and blood vessels form an organ system called the circulatory system. This system works together to transport oxygen, nutrients, and waste products throughout the body.

The Heart, Blood, and Blood Vessels Combine to Form Which