A substance that kills cells or interferes with their functions is
A. Protozoan
B. fungus
C. a vector
D. Toxin

Assume you were going to teach this information to a group of seventh graders. pick a title for your presentation that would make the seventh graders want to listen to you.

Sam is a four-year-old child. as compared to other boys of his age, his skin looks dull. his hair appears damaged and dry. which nutrient is sam’s body likely lacking? a. proteins b. carbohydrates c. fats d. minerals

Which of these is the muscular tube that leads from the mouth to the stomach? a. epiglottisb. uvulac. soft palated. esophagus