★ Human Body Systems Quiz
As your body works harder, what happens to your HEART rate?
A. increases
B. decreases
C. stays the same
D. beats backwards
Select your answer:

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Physical › ViewWhat is the function of our heart?
A. to carry oxygen
B. to pump blood to all over body
C. to carry nutrien
Muscle Origin, Insertion, and Function › View
Which muscle inserts on the radial tuberosity?
A. biceps brachii
B. triceps brachii
C. brachialis
D. brachioradialis