Grace ran 1 mile. She felt her heart beating faster in her chest. Her pulse was also faster in her wrist. Grace wondered in which human body system the heart and blood vessels worked together. Both the heart and blood vessels are important parts of the ..... system.

CARDIOVASCULAR PHYSIOLOGY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Grace ran 1 mile. She felt her heart beating faster in her chest. Her pulse was also faster in her wrist. Grace wondered in which human body system the heart and blood vessels worked together. Both the heart and blood vessels are important parts of the ____ system.

A	excretory
B	muscular
C	respiratory
D	cardiovascular

Explanation:

There is 1 question to complete.