function of the circulatory system in humans Flashcards
What is the circulatory system
It’s the system that transports blood, oxygen, nutrients, and waste around the body using the heart, blood, and blood vessels.
What is the function of the circulatory system
To carry oxygen and nutrients to cells and remove waste like carbon dioxide.
What is the heart
The heart is a muscular organ that pumps blood through the body
How many chambers does the heart have
Four chambers: two atria (top) and two ventricles (bottom).
What is the function of the heart
To pump oxygen-rich blood to the body and oxygen-poor blood to the lungs to get oxygen.
Which blood vessel supplies the lungs
The pulmonary artery takes blood to the lungs, and the pulmonary vein brings it back to the heart.
Which blood vessel supplies the kidney
The renal artery brings blood to the kidney, and the renal vein takes it away
What are the main parts of the circulatory system
The heart, blood vessels (arteries, veins, capillaries), and blood
What blood vessel supplies the liver
Hepatic artery (to the liver)
Hepatic vein (away from the liver)
What blood vessel supplies the brain
Carotid artery
What blood vessel supplies the intestine
Mesenteric artery
