EXAM 2025 WITH PRACTICE
QUESTIONS AND ANSWERS
cardiovascular system - ✔✔ANSWER✔✔->>-ALSO called the
circulatory system
-made up of the heart, blood vessels, the blood, and lymphatic
system.
-waste removal, nutrient distribution, communication,
protection.
heart - ✔✔ANSWER✔✔->>-composed of cardiac muscle tissue
-4 muscular chambers of heart: right and left atria and the right
and left ventricles
,-regulates blood flow through a double-loop system, pumping
oxygenated blood to body tissue and deoxygenated blood to
the lungs
atria - ✔✔ANSWER✔✔->>-2 of them; left and right
-chambers of the heart that receive blood returning to the
heart from other areas of the body
ventricles - ✔✔ANSWER✔✔->>-chambers of the heart that
collect and expel blood from the heart
-2 of them; left and right
atrioventricular valves - ✔✔ANSWER✔✔->>valves that
separate the atria and ventricles in the heart
tricuspid valve - ✔✔ANSWER✔✔->>separates the right atrium
and right ventricle
mitral valve (bicuspid) - ✔✔ANSWER✔✔->>-ALSO called
bicuspid
-separates left atrium and left ventricle
, types of blood vessels - ✔✔ANSWER✔✔->>1. arteries
2. capillaries
3. veins
arteries - ✔✔ANSWER✔✔->>strong, elastic vessels adapted to
the high pressure of blood as it leaves the heart
arterioles - ✔✔ANSWER✔✔->>-smaller branches of arteries
-supply blood to the capillaries
capillaries - ✔✔ANSWER✔✔->>-smallest blood vessels
-consist of only a single layer of epithelial tissue, which allows
substances and gases to be exchanged b/t the blood and the
cells of tissues via diffusion
-receive blood from the arterioles and return it to the venules
aorta - ✔✔ANSWER✔✔->>-largest artery in the body!
-the artery that carries blood pumped from the LEFT ventricle
of the heart into systemic circulation