circulatory system (the heart) Flashcards
1
Q
what is the heart often compared to, size wise?
A
your fist
2
Q
what is the difference between veins and arteries?
A
arteries carry the oxygenated blood whereas the veins carry dis oxygenated blood.
3
Q
aorta function?
A
takes blood to the body
4
Q
do arteries have valves
A
no
5
Q
do veins have valves
A
yes
6
Q
which artery takes deoxygenated blood to the lungs
A
pulmonary artery
7
Q
what artery takes blood to the body
A
aorta
8
Q
how do heart attacks happen?
A
when blood supply to heart is suddenly interrupted
