The circulatory system is an organ system in the body that helps maintain homeostasis by transporting oxygen, nutrients, and other substances throughout
the body and removes wastes from tissues. The circulatory system includes the
heart, blood vessels, and blood.

Name Class Date

10Chapter 16 Test
Based on the information in the table, which types of cells are present in tissues
that comprise the circulatory system? Select all that apply.
a. Fat cells are part of the circulatory system because they store energy for the
system.
b. Beta cells are part of the circulatory system because they are found in the
pancreas and secrete insulin, which keeps blood glucose level in response to
food intake.
c. Hair cells are part of the circulatory system because they are found in the ear
and transfer vibrations to neural signals that are interpreted by the brain as
sound.
d. Cardiomyocytes are part of the circulatory system because they are muscle
cells found in the heart, which pumps blood throughout the body.

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