Have an account?
Skip to Content
Build your own quiz
5 questions
Show Answers
See Preview
- 1. Multiple Choice
As you exercise, your circulatory system works with which other system to take in oxygen?
muscular
digestive
respiratory
endocrine
- 2. Multiple Choice
Which system pumps blood through your body?
circulatory
digestive
respiratory
muscular
- 3. Multiple Choice
When Dr. Jeff bends his arms to lift a weight, what is happening to his bicep muscle?
it's contracting
it's relaxing
it's flipping over
it's getting longer
- 4. Multiple Choice
As your body works harder, what happens to your heart rate?
decreases
stays the same
increases
reverses
- 5. Multiple Choice
What important substance is replenished as blood flows through the heart?
water
nitrogen
iron
oxygen
- Answer choicesTagsAnswer choicesTags