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 art principles set a standard in creating art, and once you become familiar with creating compositions, it is easier to choose which principles work best to communicate your message. Principles of Art Vocabulary. Principles of Art: Balance, proportion, emphasis, variety, movement, rhythm, and harmony Composition: Placement of visual elements in artwork Balance: Implied through the weight of an object, the balance is the sense of stability achieved