Exercise Biology: Muscles, Heart, and Brain Quiz

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Exercise Biology: Muscles, Heart, and Brain: a General level Health quiz. Test your knowledge with 14 questions!
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Questions

Question 1
Which organ does aerobic exercise primarily strengthen?
A Liver
B Stomach
C Heart
D Kidneys
Question 2
What is the primary function of skeletal muscles?
A Movement
B Digestion
C Hormone production
D Filtering blood
Question 3
Which chemical is released in the brain during exercise, improving mood?
A Insulin
B Melatonin
C Endorphins
D Cortisol
Question 4
What is the main fuel source for muscles during intense exercise?
A Calcium
B Fiber
C Iron
D Glycogen
Question 5
Regular physical activity helps keep which system healthy?
A All of the above
B Cardiovascular
C Respiratory
D Digestive

📋 This quiz has 14 questions in total.

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