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.
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?