Mention if the following statements are true (T) or false (F).

1. The flexor and extensor muscles of the arm are antagonistic muscles.
2. Muscles can contract as well as elongate.
3. Muscles are attached to bones by ligaments.
4. Cardiac muscle is a voluntary muscle.
5. Bending of arm on elbow is an example of first order of lever mechanism.

Match the bones (Column I) with the kind of joint (Column II)

The type of joint found at shoulder is also found at

1. Elbow
2. Knee
3. Ankle
4. Hip

Which one of the following categories of vertebrae are correctly numbered

1. Cervical — 7
2. Thoracic — 10
3. Lumbar — 4
4. Sacral — 4