Amphibians have three heart chamber and they lay eggs so
AMPHIBIAN
Answer: Element
Explanation:
really just use ur deduction skills
The immune system is the bodies defense against invaders and is located in all body tissues with concentration in the mucosal surfaces and skin.
Answer: Option A, B and D are correct.
Explanation:
ATP or adenosine triphosphate can be defined as the high energy molecules that is used by all the living organism.
This molecule is released by the combustion of carbohydrates in the presence of oxygen.
The energy is stored in the phosphate bonds and adenosine triphosphate contains 3 phosphate molecules.