stdvsc my body question answer

My Body

D1.Ans:The process by which living organisms take in oxygen and give out carbon  dioxide is called breathing.

D2.The fore-limbs are connected to the spine by the shoulder girdles and collar bone.

D3.The rib cage protects the delicate organ heart and lungs.

D4.The main parts of the skeletal system are:

The skull,   the rib cage, the backbone and the limbs.

D5.the inner ear sends the signal of sound waves to the brain and helps in hearing .It also maintains the balance of our body.

D6.Snakes feels different kinds of vibration on the earth through its skin. Tongue helps to detect the presence of an enemy a danger or a prey.

E1.Bones have joints which allow movement of body part in different ways and different direction.

E2.Our back bone is made up of many small vertebrae instead of having one straight long bone because these bones give flexibility to our backbone which help us to move in different ways.

E3/Bone marrow is known as the factory for making blood cells because the blood cells (RBC,WBC& platelet) are manufacture in the bone marrow of long bone like thigh bone.

E4.In ball and socket joint one bone which has a ball like end fits  into  the hollow socket of another bone. It enables the bone a wide range of movement. The hip and shoulder joints are the examples of this type of joints.

E5.Humanbeings , dogs and bats are all  mammal .But if we compare the sense  organ we find  that-

i)                   Dogs have very well developed sense of smell than human. Dogs can listen infrasonic sound where as human being can’t listen infrasonic (below 20 hertz).

ii) Bats have a special power of hearing .Bat can listen ultrasonic sound where as human being can’t listen ultrasonic (above 20,000 hertz).Bats by help up of ultrasonic sound detect their prey in the dark.

E6.Yes we breathe even when we are sleeping. We need energy every moment , our body can’t work without energy. To get energy continuous oxygen is required for our body that’s why we have to breath even if we are sleeping .Otherwise human being will die. 

Value Based Question

Q1.State the values displayed by the students.

Ans: The values displayed by the students are

i)Sincere  ii)Team spirit        iii)cooperative    iv) obedient  v) discipline.  

Q2.Discuss how doing work in an organized and helpful way is useful for one and all.

  Ans: Doing work in an organized and helpful way is useful for one and all in the following ways:

i)It minimize the burden on individual

ii)Work can be done faster (time saving)

iii) Everybody can  learn from each  other.

Q3.why did the teacher compare their work with the breathing system?

Ans:As the students work together ,help each other  and share the work become faster and easier. In our breathing system many parts are involved to work together.

when all organ work together with coordination breathing work become smooth and easier.

My Body

D1.Ans:The process by which living organisms take in oxygen and give out carbon  dioxide is called breathing.

D2.The fore-limbs are connected to the spine by the shoulder girdles and collar bone.

D3.The rib cage protects the delicate organ heart and lungs.

D4.The main parts of the skeletal system are:

The skull,   the rib cage, the backbone and the limbs.

D5.the inner ear sends the signal of sound waves to the brain and helps in hearing .It also maintains the balance of our body.

D6.Snakes feels different kinds of vibration on the earth through its skin. Tongue helps to detect the presence of an enemy a danger or a prey.

E1.Bones have joints which allow movement of body part in different ways and different direction.

E2.Our back bone is made up of many small vertebrae instead of having one straight long bone because these bones give flexibility to our backbone which help us to move in different ways.

E3/Bone marrow is known as the factory for making blood cells because the blood cells (RBC,WBC& platelet) are manufacture in the bone marrow of long bone like thigh bone.

E4.In ball and socket joint one bone which has a ball like end fits  into  the hollow socket of another bone. It enables the bone a wide range of movement. The hip and shoulder joints are the examples of this type of joints.

E5.Human beings , dogs and bats are all  mammal .But if we compare the sense  organ we find  that-

i)Dogs have very well developed sense of smell than human. Dogs can listen infrasonic sound where as human being can’t listen infrasonic (below 20 hertz).

ii) Bats have a special power of hearing .Bat can listen ultrasonic sound where as human being can’t listen ultrasonic (above 20,000 hertz).Bats by help up of ultrasonic sound detect their prey in the dark.

E6.Yes we breathe even when we are sleeping. We need energy every moment , our body can’t work without energy. To get energy continuous oxygen is required for our body that’s why we have to breath even if we are sleeping .Otherwise human being will die.