Question

Write one speciality for each of the following:
1. Cartilage
2. Bone
3. Striated muscle
4. Cardiac muscle

Answer 1

Answer:

Cartilage, has widely spaced cells. The solid matrix is composed of proteins and sugars. Cartilage smoothens bone surfaces at joints and is also present in the nose, ear, trachea and larynx.

Explanation:

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Answer 2

(i) Cartilage allows easy bending at joints.

(ii) Bones make body hard and stiff.

(iii) They are voluntary muscles.

(iv) They work throughout life without getting fatigue.