skeletal system. q what is a skeleton? a: all bones in our body are connected to form a skeleton

Skeletal System

Q What is a skeleton?A: All bones in our body are connected to

form a skeleton.

Q How do our bones are connected together?A: Tendons join the muscles to the bones at the joints.

Q What are the functions of skeleton?A : 1) It support us 2) It gives us shape. 3) It helps us to move. 4) It protects our organs like brain, heart and lungs.

Q How many bones do we have in our body?A : We have 206 bones in our body.

Q How many bones are there in a new born baby?A : There are about 300 bones in a new born baby.

Q Name some bones in our body.A: Pelvis, humerus, femur, ribs and skull.

Q What is a back bone?A : A back bone is a row of bones that run from skull to

the hips is called a back bone.

Q How many bones do we have in backbone?A : We have 33 bones in our backbone.

Q Give other names for backbone.A : Spinal cord and vertebral column are other

names for backbone.

Q What are vertebrae?A: The vertebrae (singular vertebra) are bones that

make up the vertebral column.

Q What are ribs?A : Our curved chest bones are called ribs.

Q How many bones do we have in our ribs?A : We have 12 pairs of ribs in our chest.

Q What is the function of ribs?A : Ribs protect our heart and lungs.

Q What is sternum?A: Sternum is the breastbone where first seven pairs

of ribs joined at front.

Q What is Skull?A: Our head bones are connected together to form a

skull.

Q What is the function of skull?A : Our skull protects our brain and eyes.

Q What is the name of our shoulder bone?A: Our shoulder bone is called scapula or shoulder blade.

Q Name the bones in our arm.A: Our upper arm have one bone called humerus and lower arm have two bones called radius and

ulna.

Q Name the bone in our leg.A: Our upper leg have one bone called femur and lower leg have

two bones called tibia and fibula.

Q What is the name of our hip bone?A: Our hip bone is known as pelvis.

Q What is the function of pelvis?A: Pelvis protect our organs like bladder and uterus.

Q How many bones do we have in our hands and feet?A: Our each hand has 27 bones and each foot has 26 bones.

Q Which is the longest bone in our body? How long is it?

A : Femur ( Thigh bone) is the longest bone in our body. It is about 60 cms long in an adult person.

Q What is the name of our knee bone?A: Our knee bone is also known as patella.

Q Which is the shortest bone in our body? How short is it?

A : Our smallest bone is in ear called stirrup. It is less than half centimeter long.

Q Which is the last bone in our body to fuse?A : Our collar (neck) bone called clavicle fuses at the age of 20 years.

Q What are exo-skeletons?A: Shells are outer skeleton of animals like crab

and snail.

Q What are endo skeleton?A: Animals those have skeletons inside the body like human.

Q What are hydrostatic skeletons?A: Animals such as earth worm and jellyfish have hydrostatic

skeletons.

Q How would we look like if we don’t have skeleton?

A: We would be like blob, without skeleton.

Q What are the bones made up of? A: Our bones are made from a material containing calcium,

phosphorus and collagen. Bones are very strong.

Q What is the inside of a bone called?A: Our bones contain a soft core called bone marrow.

Q What are x-rays?A: X-ray pass through our flesh, but are stopped by our bones.

Doctors use x-ray to see if there is any fracture in bones.