About Human Body Systems

Understand how the circulatory system transports oxygen, nutrients, and waste—essential for HESI A2 Biology and human body system prep.

Human Body Systems HESI A2 Practice Questions

Free Human Body Systems practice questions for the HESI A2 exam with detailed rationales.

Question 1 of 2

Which of the following is a function of the circulatory system?

To break down food into absorbable nutrients

To regulate body temperature through sweating

To produce hormones

To transport oxygen, nutrients, and waste products

Submit your answer to see the rationale