4. The skin is the body's major thermoregulatory organ. We control our body temperature by regulating the amount of heat we lose into the environment by changing blood flow to the skin. How does the relationship between the epidermis, dermis, and hypodermis contribute to this function?

Viruses can be transmitted through air, water, food, insect bites, and direct skin contact. once a virus gains entry into the body, it invades a host cell in order to? a. synthesize antibodies for defense b. deactivate the host cell's defenses c. access cell processes for reproduction d. metabolize host proteins and grow