Approximately, how many times each day do our heart valves open and close normally?
Approximately, how many times each day do our heart valves open and close normally?
A. 10,000
B. 1,00,000
C. 1,50,000
D. 2,00,000
Similar Posts
Name the famous Pakistani scientist who worked under the supervision of Albert Einstein?
Name the famous Pakistani scientist who worked under the supervision of Albert Einstein?A. Dr Abdul Qadeer
B. Riazuddin Siddiqui
C. Ammar Muhammadi
D. Dr Abdul SalamDeficiency of Vitamin-D results in __________?
Deficiency of Vitamin-D results in __________?
A. night blindness
B. rickets
C. scurvy
D. hair fallA slow-running pendulum clock can be speeded up by_______________?
A slow-running pendulum clock can be speeded up by_______________?A. Increasing the length of the rod
B. Increasing the weight of the bob
C. Reducing the length of the rod
D. Reducing the weight of the bobWho was the surgeon who pioneered antiseptic surgery in 1865?
Who was the surgeon who pioneered antiseptic surgery in 1865?A. Edward Jenner
B. Joseph Lister
C. Henry William
D. John SleemanThe chemical name of Laughing gas is___________?
The chemical name of Laughing gas is___________?
A. Nitric oxide
B. Nitrogen dioxide
C. Nitrogen pentoxide
D. Nitrous oxideVitamin B3 is also known as__________?
Vitamin B3 is also known as__________?A. Thiamine
B. Riboflavin
C. Niacin
D. RetinolVitamin B3, also called niacin, is one of the eight B-complex water-soluble vitamins. Niacin has a wide range of uses in the body, helg functions in the digestive system, skin and nervous system.