Question

3. The only vein that carries
oxygenated blood to the heart
4. The organ which beats
continously to act as a pump for
the transport of blood.
5. The number of chambers in the
human heart.
6. A doctor uses this instrument to
amplify the sound of the heart.
8. The two upper chambers of the
heart.
9. The heart is located on this side
of the chest cavity.
10. The only artery that carries
deoxygenated blood from the
heart.
11. They form the connection
between the arteries and veins​

Answer 1

Answer:

3.pulmonary veins

4. heart

5.four

6.stethoscope

8. right and left Atria

9.left

10. pulmonary artery

11. capillaries