Absorption. They absorb nutrience from dead/dying animals and/or plants.
The answer is thermoregulation
Human is a warm blooded animal so they have to control their internal temperature. Eccrine glands is the synonym of sweat glands. Sweat has an important role to release heat as they will wet the skin, allow it to evaporate in huge area. If the sweat glands doesn't work, the person will have difficulty to dissipate heat when the body temperature increases.
Gene, as such traits are passed down through genes
If an individual has an <u>increased</u> rate of blood flow to the skin,such as would happen with emotion or alcohol consumption ,their skin takes on a <u>reddish</u> tinge.
Explanation:
Our skin is provided with a large number of blood capillaries. These capillaries bring blood and nutrients to the layers of skin. Whenever vasodilation of these capillaries occur, the blood flow to the skin increases and the skin gets a reddish tinge.
During an emotional upsurge such as embarrassment causes the adrenal glands to release adrenaline.
Adrenaline as well as alcohol vasodilates the blood vessels and increases the flow of blood to the skin. Hence, the skin gets a reddish tinge.
