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10 questions
What are the 3 major components of our circulatory system
Blood, Lungs and Blood vessels
Heart, Lungs and Brain
Lungs, Heart, Blood
Blood, Heart, Blood Vessels
Which one of the following describes a vein?
It has thick walls with valves and caries blood away from the heart.
It has thick walls with valves and carries blood to the heart.
It has thin walls with valves and carries blood away from the heart.
It has thin walls with valves and carries blood to the heart.
the heart has _____ chambers
4
3
2
1
Role of the blood? (tick all that applies)
quick transportation of nutrients
carry glucose to produce energy
carry oxygen for respiration
carry carbon dioxide for photosynthesis
carry waste products away from organs
Which of the following is not a unique feature of the Red Blood Cells?
Biconcave shape
No nucleus
Contains haemoglobin
Carries nutrients around the body
Bright red when oxygenated
Which of the following statements is false?
Arteries carry blood away from the heart.
Veins carry blood to the heart and lungs.
Blood circulates in two paths.
Deoxygenated blood is rich in oxygen.
Blood from lungs to heart is
oxygenated
deoxygenated
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