topic 1 - lifestyle, health, and risk Flashcards
what is a single circulatory system
the blood only passes through the heart once
what types of animals may have a single circulatory system
fish/animals with gills to oxygenate the blood
what is a double circulatory system
the blood passes through the heart twice
what is a closed circulatory system
blood flows through vessels (arteries, veins, capillaries, etc)
what is an open circulatory system
blood pumped through cavities surrounding the animals organs
which side of the heart receives deoxygenated blood, and pumps it to the lungs
right
where do the pulmonary veins pump blood
from the lungs to the left side of the heart
which side of the heart receives oxygenated blood and pumps it to the body
left
where does the vena cava pump blood
from the body into the right side of the heart
where does the aorta pump blood
from the left side of the heart to the body
where does the pulmonary artery pump blood
from the right side of the heart to the lungs
what’s the bottom of the heart called
apex
what are the valves called at the entrance to the pulmonary artery and aorta
semilunar valves
what is the difference between the superior and inferior vena cava
superior vena cava bangs in deoxygenated blood from the head and arms, but the inferior vena cava bring deoxygenated blood from the lower body