Bones, Muscles and Postures - 1 Class 2 Worksheet Science

Q1: Tick (✓) the correct choice.

(i) These give shape to our body.
(a) Muscles
(b) Bones
(c) Heart
Ans: (b)
The skeletal system works as a support structure for your body.
(ii) These are the places where the bones are joined together.
(a) Joints
(b) Muscles
(c) Skin
Ans: (a)
The place where two or more bones come together is called a joint.

(iii) These are the soft parts of our body.
(a) Ribs
(b) Toes
(c) Muscles
Ans: (c)
Soft tissues include muscles, nerves, tendons, fat, blood vessels, and deep skin tissues. They hold our bodies together.

Q2: Fill in the Blanks

(i) All the ____________ of our body together make up the skeleton.
Ans: All the bones of our body together make up the skeleton.

The skeletal system works as a support structure for your body.

(ii) Our body is made up of bones and ____________ .
Ans: Our body is made up of bones and muscles

Bones shape our body and help us to stand up straight. Muscles are attached to bones; they help us walk and run and smile.

(iii) We can bend our body at the  ____________
Ans: We can bend our body at the Joints.

We cannot bend our body at every body part. The body can be bent only at the joints.

Q3: True and False

(i) Our heart muscles work non-stop throughout our life.
Ans: True
The heart is a hard-working muscle, and its job is to pump blood throughout life.

(ii) Bones cannot move without the help of the muscles.
Ans: True
Bones don't work alone — they need help from the muscles and joints. Muscles pull on the joints, allowing us to move. They also help the body perform other functions so we can grow and remain strong, such as chewing food and then moving it through the digestive system.

(iii) We have joints in our fingers, knees and elbows.
Ans: True
Hinge joints, such as in the fingers, knees, elbows, and toes, allow only bending and straightening movements.

Q4: Short Question Answer

(i) Name two places where muscles are found.
Ans: Muscle tissue is found inside of the heart and arms.

(ii) Name two muscles of our body which work throughout our life.
Ans: Cardiac, smooth and skeletal. Cardiac muscle makes up the wall of the heart and is responsible for the forceful contraction of the heart. Smooth muscles make up the walls of the intestine, the uterus, blood vessels, and internal muscles of the eye.

(iii) How many bones are there in our body?
Ans: Bones provide the structure for our bodies. The adult human skeleton is made up of 206 bones.