Answer:
Cricoid.
Explanation:
Larynx is also known as voice box and lies above the trachea. Larynx helps in the protection of pharynx while swallowing the food.
Cricoid cartilage is the inferior wall cartilage of larynx. This is a ring shape in structure and present at the back part. This provides the attachment site for muscles, bones and cartilage.
Thus, the correct answer is option (d).
Answer: b. nicotine use
Explanation:
Studies have shown that smoking reduces the speed at which bones heal from injuries and even though the data is sometimes conflicting, nicotine has been blamed for this impairment.
Vitamins heal bones and so do protein so options a and d are incorrect. Being immobilized gives bones the chance to heal so option c is incorrect as well.
Answer:
With the aging of the joints, wear on them occurs. The most affected joints are those with greater mobility and weight support, such as the knee, shoulders and elbows. The changes that occur most are:
- decrease in synovial fluid.
- reduction of intra articular space.
- joint stiffness.
The joint becomes arthrosic, that is to say a worn joint, which will manifest itself with pain, functional limitation and inflammation.
Answer:
Peyer’s patches
Explanation:
Peyer's patches are present in the ileum region of small intestine , these are the small mass of the lymphatic tissues or the lymphoid nodules.
The main and important function of Peyer's patch , also known as the aggregated lympoid is -
They plays an important part in the immune system , by avoiding the growth of the pathogenic bacteria in intestines , monitoring the intestinal bacteria populations .