Q: The cell walls of fungi are made of what? Choices: - lectin - mucous - cartilage - chitin A:
chitin

Q: What do nerve impulses travel along? Choices: - arteries - pores - membranes - axons A:
axons

Q: Give an example of a ball-and-socket joint, which has the greatest range of motion, allowing movement in several directions. Choices: - pulley - lever - monkey wrench - shoulder A:
shoulder

Q: What waves require a material medium such as water, air, or rope? Choices: - light - potential - electromagnetic - mechanical A:
mechanical