Calcium is a vital mineral and is the most abundant mineral in the body. Some of the functions are: maintaining the health of the bones, as 99% of the calcium is stored in the bones. It also helps in muscle contraction and nerve function. It includes both skeletal and smooth muscles. It regulates the heart rate and clot formation in the blood.
So; the correct answer is (D): All of the above| List I | List II | ||
|---|---|---|---|
| A. | Vibrations in skeletal muscles of larynx | I. | Facial contractions |
| B. | Involuntary contraction of skeletal muscles that is regulated by the brain | II. | Regulate voice |
| C. | Contraction of skeletal muscles in the legs | III. | Shivering |
| D. | Pull of skeletal muscles on attachments to skin of face | IV. | Assists return of blood to the heart |
| V. | Causes facial expression | ||
The musculoskeletal system comprises bones, cartilage, ligaments, tendons, and connective tissues. The skeleton contributes a framework for the muscles and other soft tissues. Together, they hold up our body’s weight, maintain our posture and help us move.