Bones and Cartilage

Q.

Babies have about 300 bones while adults have only 206. This reduction happens due to -

1. Disappearance of unwanted bones

2. Fusion of some bones

3. Conversion of ligaments to bones

4. Apoptosis

Q.

What are bones made up of?

Q. ______ give shape and support to our body.

1. Nails
2. Blood vessels
3. Bones
4. Lungs

Q.

The hard and rigid stuff in our body is called as:

1. Muscle

2. Bones

3. Organelles

4. Cells

Q.

Differentiate between: Organ and organ system.

Q.

Part of the skull that protects the brain is made up of ____ bones.

1. 8

2. 7

3. 6

4. 5

Q. Thigh bone is also known as ___.

1. pelvis
2. femur
3. skull
4. cartilage

Q.

Which element is of utmost importance for our bones?

1. Calcium

2. Sulfur

3. Enamel

4. Chloride

Q. The ribcage is a part of the nervous system.

1. True
2. False

Q.

What are most cartilages in vertebrae embryos substituted by in adults?

Q.

Skull in humans consists of 22 bones.

1. True
2. False

Q.

How many bones make up our whole skeleton?

1. 306

2. 100

3. 206

4. 300

Q.

A ___ is stretching or tearing of ligaments.

1. fracture

2. stress

3. sprain

4. wound

Q.

Is bone a tissue?

Q. how is arthritis caused

Q. What is a replacing bone ? Which is the one between clavicle and humerus?

Q. Bones must be _____ to support the body.

1. hard
2. soft
3. flexible
4. weak