Chapter 8 Our Skeletal System and the Skin Solutions

Maharashtra State Board Class 6 Science Solutions Chapter 8 Our Skeletal System and the Skin

Class 6 Science Chapter 8 Our Skeletal System and the Skin Textbook Questions and Answers

1. Fill in the blanks with the proper word.

Question a.
The place where two or more bones are connected is called a …………….
Answer:
joint

Question b.
Cells of epidermis contain a pigment called ………….
Answer:
melanin

Question c.
…………… and ……………. are the two layers of the human skin.
Answer:
epidermis, dermis

Question d.
The human skeletal, system is divided into ………….. parts.
Answer:
two

2. Match the pairs.

Question a.

Answer:

3. Right or wrong? If wrong, write the correct sentence.

Question a.
Bones are soft.
Answer:
Wrong: Bones are hard.

Question b.
The human skeleton protects the internal organs.
Answer:
Right

4. Put a [✓] mark at the proper places.

Question a.
The system which gives our body. a definite shape to
(a) Excretory system [ ]
(b) Respiratory system [ ]
(c) Skeletal system [ ]
(d) Circulatory system [ ]
Answer:
(c) Skeletal system [✓]

Question b.
The ………… joint is seen in fingers and toes.
(a) Hinge joint [ ]
(b) Ball and socket joint [ ]
(c) Immovable joint [ ]
(d) Gliding joint [ ]
Answer:
(a) Hinge joint [✓]

5. Answer the following questions in your words.

Question a.
What are the functions of your skin?
Answer:
The functions of the skin are :

Question b.
What should you do to keep the bones strong and healthy?
Answer:
To keep the bones strong and healthy:

Question c.
What are the functions of human skeletal system?
Answer:
The functions of human skeletal system are:

Question d.
Which are the various reasons due to which our bones might break?
Answer:
The bones in our body might break due to:

Question e.
What are the different types of bones? How many types are there? Give example of each.
Answer:
There are four types of bones in our body:

Types of Bone Example

6. What will happen if?

Question a.
There are no joints in our body.
Answer:
If there are no joints in our body, we will be standing like a tree without any movement, we can move only because of joints.

Question b.
There is no melanin pigment in our body.
Answer:
We will not have protection from ultraviolet rays. Our skin will become whitish.

Question c.
Instead of 33 vertebras in our body, we had one single and straight bone.
Answer:
We cannot bend down at our will.

7. Draw diagrams.

Question a.
Types of joints.
Answer:

Question b.
Structure of skin
Answer:

Activity:

Choose the correct alternative: