1.
Short-answer questions
What forms our skeletal system?
a.
b.
What kind of bones is the skull made up of?
C.
What are floating ribs?
d.
What are sternum and cranium?
Name the two girdles present in our skeletal system.
e.
f.
Is it advisable to sit before the computer for too long? Why
What are the functions of cartilage?
h. How many bones are there in the human skull?
i.
Name some vitamins and minerals required for bones health.
Answers
Explanation:
i) calcium and phosphorus.
Answer:
1 . The skeletal system is your body's central framework. It consists of bones and connective tissue, including cartilage, tendons, and ligaments. It's also called the musculoskeletal system.
2 . The human skull is generally considered to consist of twenty-two bones—eight cranial bones and fourteen facial skeleton bones. In the neurocranium these are the occipital bone, two temporal bones, two parietal bones, the sphenoid, ethmoid and frontal bones
3 . What are floating ribs? Answer: The last two pairs of ribs that are not joined in front of the breast bone/sternum. So, they are called floating ribs.
4 . The thoracic cage consists of the sternum, ribs, thoracic vertebrae, and costal cartilages. The appendicular skeleton is made up of the limbs of the upper and lower limbs. The pectoral girdle is composed of the clavicles and the scapulae.
5 . Constant sitting puts a huge amount of strain on your back and it can also affect your posture tremendously. In addition to this, if you are someone who spends a lot of time slouching in front of your laptop or computer, you can develop a poor posture syndrome
6. It consists of 14 bones, which fuse to house the orbits of the eyes, the nasal and oral cavities, and the sinuses.
7. The health and strength of our bones rely on a balanced diet and a steady stream of nutrients, most importantly, calcium and Vitamin D. Calcium is a mineral that people need to build and maintain strong bones and teeth