The heart is an organ because it
a. maintains homeostasis.
b. is made up of different kinds of tissues.
c. contains blood.
d. contains muscle.

Respuesta :

Answer:

d

Explanation:

Your heart is an organ that’s largely made up of muscle. It has the vital function of working to pump blood to the organs and tissues of your body.

Answer:

b or d

Explanation:

Its b  or c I am not too sure. I think its d though.