Muscles are attached to bones by tendons. There are 206 bones in an adult human body. The liver produces bile to aid digestion. The human body contains approximately 615 muscles. The command center of the body is the brain. The largest internal organ is the liver. Muscles help move bones through contraction and relaxation. The normal heart rate of an adult is between 60-100 beats per minute. Digestion involves breaking food down into smaller pieces.

1. WORKSHEET 2
1. Tick the right option:-
a) Muscles are attached to the bones by
strong tissues known as----
i) Tendons ii) Ligaments
b) Total number of bones in an adult are-----
i) 300 ii) 206
c) Digestive juice made by the liver-----
i) Bile ii) starch
d) How many muscles are there in human body
i) 615 ii) 650
2. Give one word answer:-
a) The command centre of the body__________
b) The largest internal organ in our
body._________
c) Help in the movement of bones by
contraction and relaxation______
d) The normal heart beat of an adult. ________
e) Breaking down of food into small
pieces.______
Inside Our Body
R@#UL