The correct answers are:
- Heart
- Blood
- Blood Vessels
The circulatory system is primarily composed of the heart, blood, and blood vessels. The lungs are part of the respiratory system, and the brain is part of the nervous system.
Select 3 correct answer(s)
Question 12 options:
Heart
Brain
Lungs
Blood
Blood Vessels
1 answer
The correct answers are:
The circulatory system is primarily composed of the heart, blood, and blood vessels. The lungs are part of the respiratory system, and the brain is part of the nervous system.