Page 276 - New Medley 5 Semester 1

The muscles work in pairs to cause movement.

Regular exercises and eating a balanced diet help Knowledge Zone
Blinking of one eye causes
in maintaining healthy and strong muscles. movement of 200 muscles.

2 • Understanding

Write the type of muscles in these organs (based on their nature and structure):
1. Arms

2. Urinary bladder

3. Stomach
4. Heart

AT ONE GO

m The skeletal system gives shape and support to the body.
m The meeting point of two bones is called a joint.

m The muscles attached to the bones make the movement of the bones possible.
m Voluntary muscles are under our control whereas involuntary muscles work on their own.

REMEMBER THESE TERMS

Girdle : A bony structure to which limb bones are attached.
Skeleton : A framework of bones
Joint : A place where two bones meet
Ligament : Strong band of tissue holding two bones together at a joint
Bone marrow : Soft fatty substance found inside long bones

Check Your Study

A. Tick () the correct answers.

1. How many pairs of ribs are floating ribs?

(a) 1 pair (b) 2 pairs

(c) 3 pairs (d) 4 pairs

2. This is not the function of the skeletal system.

(a) Giving shape to our body

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