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 .
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.
