General Knowledge :: Biology
- A man whose blood group is not known meet with a serious accident and needs blood transfusion immediately. Which one of the blood group mentioned below and readily available in the hospital will be safe for transfusion?
- The first heart transplantation was performed by
- Which of the following is true about blood plasma?
- Most of the oxygen transported by the blood is
- The audible sounds of heart are made by the closing of the
- Which one is the largest artery in the human body
- Which veins do not carry deoxygenated blood?
- Muscular wall of the heart is externally covered by
- The deposition of cholesterol on the walls of blood vessels causes the arteries to lose their elasticity and get stiffened is called
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