Circulatory System Flashcards
1
Q
Double circulatory system
A
1st circuit- pumps deoxygenated blood to the lungs to take in 02. The blood then returns to heart
2nd- pumps oxygenated blood around all other organs of body. Blood gives up its 02 at the body cells and deoxygenated blood returns to the heart to be pumped out of lungs again
2
Q
Blood flow though the heart
A
Blood flows into atria of vena cava and pulmonary vein
The atria contract pushing the blood I to ventricles
The ventricles co tract forcing the blood I to the pulmonary artery and the aorta and out of the heart
Blood flows to organs like arteries and returns through veins