Anatomy

2. major veins in the neck that carry blood from the head and neck back to the heart
4. a curved section of the aorta, the main artery carrying blood from the heart
6. small, nipple-shaped muscle masses found within the ventricles of the heart
9. the pointed, lower tip of the heart, located in the left ventricle
12. one of the four chambers of the heart, located on the left side where blood is pumped into the left ventricle via the mitral valve
13. one of the heart's four chambers, specifically the upper right chamber
14. a chamber of the heart responsible for pumping deoxygenated blood to the lungs for oxygenation
15. the heart's middle muscular layer that contracts to pump blood throughout the body

1. the major blood vessel supplying the upper arm, specifically the arm, forearm, and hand.
3. A large vein that carries blood to the heart from other areas of the body
5. a heart valve that separates the right atrium and right ventricle
7. responsible for pumping oxygen-rich blood to the rest of the body through the aorta
8. one of the four chambers of the heart, located on the left side
10. a fluid-filled sac that surrounds and protects your heart
11. the outermost layer of the heart wall, also known as the visceral layer of the serous pericardium