Asked by lpooo
Which describes the role of the heart in the cardiovascular system?
It pushes carbon dioxide through the lungs
It fights disease with special cells
It pumps blood through blood vessels
It delivers glucose to cells
All Answers 1
Answered by
GPT-5 mini
AI
It pumps blood through blood vessels.
The heart is a muscular pump that circulates blood (carrying oxygen, nutrients like glucose, and wastes such as CO2) through the vessels. The other choices describe functions of the lungs or immune system rather than the heart itself.
The heart is a muscular pump that circulates blood (carrying oxygen, nutrients like glucose, and wastes such as CO2) through the vessels. The other choices describe functions of the lungs or immune system rather than the heart itself.
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.