Biology MCQs
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Question 946medium
The audible sounds of heart are made by the closing of the
Question 947medium
Which one is the largest artery in the human body
Question 948hard
Which veins do not carry deoxygenated blood?
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Question 949medium
Muscular wall of the heart is externally covered by
Question 950medium
The deposition of cholesterol on the walls of blood vessels causes the arteries to lose their elasticity and get stiffened is called
Question 951medium
Increased RBC's in the blood leads to a condition called
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Question 952medium
Platelet is also known as
Question 953easy
Antibodies are produced by
Question 954medium
Oxygenated blood is carried from the lungs to the ________ by the pulmonary veins.