Science Unit 1

Our skeletal system is made up of …

• a. bones, cartilage, ligaments, tendons and joints

• b. muscles, bones, cartilage and breastbone

• c. bones, cartilage, joint and hip bone

There are some functions of our skeletal system, except …

• a. to support our body and give it shape

• b. to protect our delicate internal organs

• c. to store calcium and oxygen in our body

I’m shaped like a bowl to protect organs such as the bladder. Which one is the correct picture?

• 
• 
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A network of bones that is present around the chest is known as …

• a. breastbone

• b. ribcage

• c. vertebrae

Study the following lists!

K. It supports our body

L. It gives our body shape

M. It protects the soft organs in our body

N. It helps to store food that is not used by the body

Based on the following lists given, why is our skeleton important to us?

• a. K,L, and M only

• b. K and N only

• c. L and N only

Study the picture below to answer no 6-8!

What kind of muscles are shown in the picture above?

• a. smooth muscles

• b. skeletal muscles

• c. cardiac muscles

Which muscles do we use when we smile?

• a. P

• b. Q

• c. R

Which muscles allow us to turn our head?

• a. R

• b. S

• c. Q

Study the following lists and find out the correct match!

Bone ------------------------- Organ that is protected

A. skull ----------------------- 1. spinal cord

B. ribcage -------------------- 2. brain

C. backbone ------------------ 3. heart & lungs

Which is the correct statement?

• a. A-1 & B-1

• b. C-2 & A-1

• c. A-2 & B-3

Read the statements below!

X: holds our ribs together at the front of our body

Y: store the mineral and calcium

Z: join together to form a long, hollow tube

What is the function of bones?

• a. Z

• b. Y

• c. X