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.
rattlesnake - Children's Encyclopedia (Ages 8-11) Rattlesnakes are poisonous snakes that have rattles in their tails. A rattlesnake shakes its rattle to threaten, or warn off, other animals. A rattlesnake is a type of poisonous snake that shakes a rattle on the end of its tail to warn off other animals.