The Circulatory system!
Your body can't work without it
Your heart is located between the lungs and above your diaphragm.
- You also have several valves that allows blood to leave one part of the heart and enter another one. They are called the tricuspid, aortic, pulmonary, and the mitral valve.
- In your heart, there are also have layer of muscle and skin that make up the outer, middle, and inner epicardium.
- pericardium covers the heart to protect it.
- Your heart had layers of skin. They are called the epicardium, myocardium, and endocardium.
kinds of arteries
brachia cephalic, left common carotid, artery, and the left subclavian artery-arteries that originates from the aortic arch in the aorta.
celiac artery-brach of the abdominal aorta. gondola arteries-suply blood the the adrenal glands kidneys and ovaries or testes,respectively.
left and right common lilac arteries- supply blood the lower regions of the abdominal wall, pelvic organs, and the lower extremeness.
pulmonary valve- allows blood to lace the right ventricle and doesn't allow blood to back flow.
mitral valve- prevents blood from going back into the left atrium.
aortic valve- allows blood to leave the left ventricle as the heart contracts.