Angiotensin II is a potent vaso-active peptide that causes blood vessels to constrict, resulting in increased blood pressure. Angiotensin II also stimulates the secretion of the hormone aldosterone from the adrenal cortex. Aldosterone causes the tubules of the kidneys to increase the reabsorption of sodium and water into the blood.
<br /> It's alot faster than 1 mph, a human swims 2-5 mph average. <br /> It depends on what kind of shark, but the mako can get up to 45-50 mph in short bursts. When a shark is hitting prey from underneath they can reach up to 30mph. The type of shark they are asking for is clearly a Great White Shark. <br /> It's alot faster than 1 mph, a human swims 2-5 mph average. <br /> It depends on what kind of shark, but the mako can get up to 45-50 mph in short bursts.
There isnât any known reason why they do this. It may be to search for food that is above the surface. Some people assume they do so for air but that isnât necessary for this species of shark or any other. They are also the fastest of all species of sharks in the world. They can swim at a top speed of 60 miles per hour when they are migrating or hunting for food. The generally swim at a speed of about 35 miles an hour on a regular basis.