Answer:
A disease model is an animal or cells displaying of the pathological process that are observed in the actual human or animal disease.
Down syndrome, turner syndrome, Klinefelter syndrome, and fragile X syndrome.
It's 58 to 68 days
It is known as Gestation period
When exercising is when the lungs work the hardest because you're using a lot of muscles and are running around and are using force in your body so the lung works really hard to make sure the body gets enough air while working out.
