The roles of the pituitary gland and hypothalamus, which control thyroid hormone levels via secretion of TSH and TRH, respectively, have been discussed elsewhere. A fourth class of hypothyroidism is congenital...implying a defect at birth that affects thyroid hormone synthesis, transport to tissues or iodine metabolism.
exists and is an alternate of . It depends on which snakes your referring to, cobras, pythons, boa constrictors, rattlesnakes, and vipers all move at a rate of 3-7 mph. But the Black Mamba can move at 20 kmph or 8 mph, which in the snake world is super fast.
According to the new measurements, a snake can lunge forward about half a foot in only 70 milliseconds. Faced with such speed, a lot of prey won't stand a chanceâalthough some animals are closely matched, such as the kangaroo rat. But even if an animal can react in time, they might not be able to accelerate enough to escape. Snakes are evolved to be very fast, Clark says.