Hoarseness is generally caused by irritation of, or injury to, the vocal cords. The larynx (also referred to as the voice box), is the portion of the respiratory (breathing) tract containing the vocal cords. The vocal cords are two bands of muscle that form a V inside the larynx.
In some species babies are born alive. Other species lay eggs. In a strange combination of the two, some snakes have eggs that stay in their bodies until the eggs hatch and then the babies are born. Snakes can have anywhere from one to 150 baby snakes at a time.
Another difference between the two snakes is that pythons lay their eggs while boas give birth to live young. Boa... Pythons have an extra bone in their head and more teeth than boa constrictors. Another difference between the two snakes is that pythons lay their eggs while boas give birth to live young.