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.
The french swimmer FrÃ©dÃ©rick Bousquet set world record in the 50 m freestyle with a time of 20.94 seconds . Over the course of the race, he swam at an average speed of 5.342 mph (8.6 km/hr) and is the fastest recorded speed of a human swimming. To put into perspective the Sailfish can swim at 68mph (110km/hr) on distances much greater than 50 m. Written May 5, 2015 â¢ View Upvotes.