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.
I would listen to her. Don't interrupt unless she allows you to. She is very sad at this time and needs someone to tell everything to. Don't say anything that might bring her down. Tell her postive things!
It occur when plaque and bacteria is not adequately removed from the surface of the tooth
If this left untreated , it will create holes in your teeth which eventually make it more prone to destruction
A person who aims to lose weight should take in less amount of calories. Take note that most food indicates this amount in the packaging. Similarly, he also needs to loss the calories he has taken in. For those who wanted to gain weight, increase the caloric input.