Epithelial tissue covers the body, lins internal surfaces, and forms glands.
Answer: These contractions need energy from respiration , and some of this is released as heat. Blood vessels, which lead to the skin capillaries, become narrower - they constrict – which allows less blood to flow through the skin and conserve the core body temperature. This is called vasoconstriction.
Explanation:
Answer:
Germ cell DNA
Explanation:
mutations that are present in other body cells do not get passed onto offspring. if the mutations are present in a germ cell it does get passed onto offspring