Once a woman attains puberty, her ovaries mature and release one egg per ovarian cycle. which hormone stimulates this event?

luteinizing hormone (lh)

follicle–stimulating hormone (fsh)

thyroid hormone (tsh)

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

After frida stops exercising, she continues to breathe heavily. what is most likely occurring in her body? heavy breathing during exercise has produced an oxygen surplus in her muscles. this oxygen is being transported to her lungs. this is a result of aerobic respiration. heavy breathing during exercise has produced a carbon dioxide surplus in her muscles. lactate is being transported to her liver. this is a result of aerobic respiration. strenuous exercise has caused her body to be in carbon dioxide debt, and she is breathing hard while lactate is transported to the liver. this is a result of anaerobic respiration. strenuous exercise has caused her body to be in oxygen debt, and she is breathing hard while lactate is transported to the liver. this is a result of anaerobic respiration.

Polar zones are cold and tend to be dry because of a pressure system of cold. low high