What structures are affected by atherosclerosis? What bodily system does #1 contribute to? What structures are found in the jellyfish #2? Are there structures in common in both #1 and #3?
Heart
organ for the circulation of blood in animal circulatory systems
Is a jellyfish safe from atherosclerosis?
Atherosclerosis is a condition in which the arteries to the heart are blocked. Jellyfish use their guts to circulate nutrients because they do not have hearts.