Question

What is the function of the organ and the tissues which make up this organ?​

Answer 1

Heart is the answer
And it is Cardiac muscle

Answer 2

Answer:

it's heart.

Explanation:

heart is made up of cardiac tissues. this organ along with tissues pump blood to the entire body. the tissues that make up this organ is specialized in involuntary contraction and relaxation with applies enough pressure to allow steady blood flow in and out of the heart.

hope it helps. :)