20
QuizMultiple Choice

Human Impact on the Environment — Cumulative exam

Question 20 • SC332 Environmental Science B

Veronica got a cut on her arm, and it started bleeding. Her circulatory system started working hard to prevent blood loss and protect against infection.Which two components of the blood were functioning at a higher level than normal?

Answer
A
platelets and plasma
B
plasma and red blood cells
C
white blood cells and platelets
D
red blood cells and white blood cells

Explanation

Platelets help blood clot, which slows or stops bleeding from the cut. White blood cells help protect the body from infection, so both are especially involved in responding to the injury. The correct choice is white blood cells and platelets.

AI-written and checked against the verified answer.

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