Why is the cardiovascular system a closed circulatory system?
-:- the fluid contents are pumped from the heart throughout the body and back to
the heart
What are some functions of the cardiovascular system?
-:- -Transportation of gases, nutrients waste
-prevents loss of blood from ruptured ...
What separates the 4 chambers into a right and left?
✓ -:- Septum
What part of the heart is only present in fetuses?
✓ -:- Fossa Ovalis:
-opening btwn atria
-allows blood to move directly btwn atria, bypassing the lungs
What is the purpose of having valves in the heart?
✓ -:- To regulate the direction of blood flow
Which valve sends blood out of the RV and into the pulmonary trunk?
✓ -:- Pulmonary valve
Which valve sends blood out of the LV into the aorta?
✓ -:- Aortic valve
Why does the aortic valve need to be stronger?
3|Page | Grade A+| 2024/2025
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