How does convection differ from conduction in causing heat loss?

Correct Answer: B

Rationale: conduction is direct heat transfer, convection involves air movement ; not reversed , speed , or radiation .

Correct Answer: C

Rationale: Malnutrition is a broad condition resulting from insufficient intake of any essential nutrients, not limited to specific types.

Correct Answer: B

Rationale: The plasma membrane is primarily a bilayer of phospholipids with embedded proteins and some carbohydrates, but its core structure is the phospholipid bilayer.

Correct Answer: D

Rationale: All listed functions (body support, calcium homeostasis, protection of organs, and blood cell production in bone marrow) are correct roles of the skeletal system.

Correct Answer: C

Rationale: Osteoclasts break down and dissolve bony matrix during bone resorption.