I choose letter A I'm not sure it is right
D: of how social issues affect the spread of disease
Ileum portion has Peyer's patches but jejunum portion is not having it
Explanation:
Small intestine can be divided into three parts they are ileum , jejunum and duodenum. Small intestine is a long , folded as well as narrow tube that extend from the stomach to the large intestine. Small intestine is that region where digestion takes place, small intestine mainly absorb nutrients from the food. Ileum and jejunum have Brunner's gland but duodenum do not have Brunner's gland. Ileum is having Peyer's patches but jejunum and duodenum is not having it.
