Multiple choice

The cardiovascular system is made up of what 3 things?

  1. heart - lungs - veins

  2. heart - blood - blood vessels

  3. blood - lungs - arteries

  4. heart - blood - spinal cord
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The cardiovascular system consists of the heart (the pump), blood (the transport medium), and blood vessels (the delivery network).

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