The main types of immune cells are white blood cells. There are two types of white blood cells â lymphocytes and phagocytes. When weâre stressed, the immune systemâs ability to fight off antigens is reduced.That is why we are more susceptible to infections.here are two types of lymphocytes : B cells-produce antibodies which are released into the fluid surrounding the bodyâs cells to destroy the invading viruses and bacteria. T cells (see picture opposite) - if the invader gets inside a cell, these (T cells) lock on to the infected cell, multiply and destroy it.
Editor's Description: Introduction to Art: Design, Context, and Meaning offers a comprehensive introduction to the world of Art. Authored by four USG faculty members with advance degrees in the arts, this textbooks offers up-to-date original scholarship.
The elements define art and therefore its study is important especially if you are considering a career as a graphic designer, web designer, sculptor or an artist. Knowledge of art and design will enable you to achieve more success due to balanced designs and art forms.mportance of Art and Design Elements. A good art work, whether it is a painting, sculpture, interiors or a website design, all starts at a design stage.