Mention the basic types of macromolecules present in nature.
The basic types of macromolecules are: -lipids -carbohydrates -nucleic acids (DNA and RNA) -proteins
What is a Cell?
A cell is the basic unit of life, the basic building blocks of multicellular organisms.
Mention the roles of the bodies integumentary system (skin).
The roles of the integumentary system are: -protection of the body ageist foreign organisms (infections). -it serves to regulate body temperature. -it mediates the elimination of toxins from the body. -it allows the body to retain proper levels of fluids and prevent dehydration.