What do all organisms need to do to food to use the nutrients in food?

What is the most abundant vertebrate on earth?

Which organ controls breathing? lungs alveoli heart diaphragm

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