Answer:
A woman is born with all of her eggs, which are stored in her ovaries. The ovaries also make the hormones estrogen and progesterone, which control her period (menstruation) and the release of eggs (ovulation). Menopause happens when the ovaries no longer release an egg every month and menstruation stops.
Answer:
Option D, It is highly efficient, as oxygen-rich air enters the lungs even while a bird is exhaling
Explanation:
In the respiratory system of birds, air flows only in one direction due to which a bird is capable to take in oxygen even when it is exhaling. The air sacs allow only unidirectional flow of air, which is more fresh and contains high oxygen content. Even a bird’s lung are capable to store and pump air, when they are at stationary position.
Hence, option D is correct.
Answer:
The answer should be, evaluating.
Explanation:
Hypothesizing and predicting goes before any experimentation, which crossed out the first answer since Tom has done the actual experiment.
Leaving evaluating as the only choice.
Hopefully this helped!
Plants cannot get too much light, but they can get too much of the heat energy that comes with the light.
Answer:
option D
Explanation:
Cell --> Tissue --> Organ --> Organ System
Similarly ,
Nervous Cell - Nervous Tissue - Spinal cord organ - Nervous System