Your answer is B.
testosterone is male
endorphins are for happiness i think? but they're not female specific so the only answer without either of those is B
Symptoms may worsen, and the illness may progress. This could result in a less positive outcome for the patient; example: longer recovery process, terminal/chronic illness, or even longer term, death.
An eating disorder should be the answer but they might want the specific type
Answer:
Normal changes in the heart include deposits of the "aging pigment," lipofuscin. The heart muscle cells degenerate slightly. The valves inside the heart, which control the direction of blood flow, thicken and become stiffer. A heart murmur caused by valve stiffness is fairly common in older people.
