Occlusion- the <span>process of closing or state of being closed of a passage</span>
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.
It is true that many people infected with tapeworms maybe unaware of infection due to lack of symptoms.
The answer would be the last option which is:
protecting the body
excreting wastes
regulating temperatures
generating vitamins
This includes the skin and its extremities acting to shield the body from different sorts of harm, for example, loss of water or scraped area from outside. The framework has numerous parts in homeostasis. All body frameworks work in an interconnected way to keep up the inside conditions fundamental to the capacity of the body, the skin has a vital activity of securing the body and goes about as the body's first line of protection against contamination, temperature change, and different difficulties to homeostasis.