Question 10 of 25
Which structure is used by the organism for motion

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

Hector is back from his morning run and is feeling light-headed because his energy is depleted which food item will provide him with a quick source of carbohydrates