In humans, the heart is an organ that pumps blood through blood vessels. The combination of the heart and blood vessels is classified as -
Answers
Answered by
0
Answer:
Cardiovascular system
abab7566:
B. A tissue
Answered by
1
Answer:
It circulates blood throughout the body.
Term - Cardiovascular System
itss...
A. a organism
B. A tissue
C. An organ system
D. An organ
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