one word that they are covered with-mucus
Moist skin helps in respiration. A think film of water is formed on the surface of frog, into which the atmospheric O2 gets dissolved and ultimately diffuses into the blood vessels underlying the skin. This is the reason, the skin of frog is richly vascular.
A frog can breath through its skin.
The slime on the frog's skin is mucus. It is necessary for the frog's skin to be moise because the frog breathes and drinks through the skin. If it were to dry out, it would suffocate. The mucus secreted by the frog's skin helps keep it moist.
Absorb some oxygen when moist.
The outer part of a frog is comprised of the skin, which protect the frog and helps keep it moist.
Its a cold blood animal.
toxin
Yes.
Constantly, as they need to be moist to do it and if they dry out they die.
The function is for water, oxygen, and carbon dioxide to pass through it, enabling the frog to either breathe or keep it's skin moist and keep the insides in.
glandular skin has many glands Amphibians have a smooth, glandular skin, but they have adaptations for cutaneous respiration, requiring the skin to be kept moist
a frog is an amphibian. one of their characteristic is that their skin is moist and since they are partially aquatic animals they could die without water.