The same as a humans blood vessels, to take blood to the heart.
They carry blood.
The same as a humans blood vessels, to take blood to the heart.
The frog's skin has many small blood vessels so that oxygen can go through the thin skin, through the fine blood vessels, and into the blood stream, allowing for the frog to breathe more easily.
Similar to humans, frogs have tiny blood vessels attached to the intestines to aid the absorption of nutrients into the blood after digestion.
The frog's circulatory system, like that of humans, includes the heart and blood vessels. The blood vessels include arteries, veins, and capillaries.
The act of vasodilation is the widening of blood vessels when the walls of blood vessels relax. The purpose is to increase blood flow to areas of the body that are in need of oxygen.
The heart, like any other organ, needs oxygenated blood. Cardiac vessels serve this purpose.
To take blood to the heart, or to carry itthrough out the body. In other words, it helps blood flow.
A frog is an amphibian, but adult frogs do not have gills. They absorb oxygen from the water through their skins, using special blood vessels. If the oxygen level in water is too low, frogs will move around to increase the water flow across the skin. Some frogs have creased skins that can increase their surface area. (see related question)
Blood Vessels-are the passageway of blood.
Blood Vessels-are the passageway of blood.
Nicotine is the blood vessels' constrictor. Not all blood vessels, of course, but mainly the peripheral blood vessels, including the brain capillary blood vessels.