Question

11. Where is the strongest muscle present in the human body?
a. Arms
b. Tongue
C.
Abdomen
12. How long does a red blood cell survive in the bloodstream?
a. 60 days
b. 120 days
C. 200 days
13. Which one of the following enzymes is found in human saliva?
a. Ptyalin
b. Trypsin
C. Pepsin
14. Which is the most hardest part of the human body?
a. Fingers
b. Bone
c. Tooth Enamel
15. What is the colour of the human blood?
C. Black
b. White
a. Red
16. Which one of the following is the function of blood?
a. Protection
b. Digestion
c. Transportation
17. Which muscle is responsible for the change of the shape of the lens?
b. Orbicularis Oculi
c. Ciliary
a. Arrector pili
18. What is the approximate mass of a human heart?
b. 150 to 200 grams
C. 280 to 330 grams
a. 90 to 120 grams
the left side of the heart is known as:​

Answer 1

Answer:

11. tongue

Explanation:

with all muscle of jaw working together it can close the teeth with the force a great 55 pounds (25 kilogram) on the incisors or 200 pounds(90.7 kilograms)on the molars.

Answer 2

Answer:

11. Tongue

12. 120 days

13. Trypsin

14. Tooth enamel

15. Red

16. Protection

17. Ciliary

18. 280 to 330 grams

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