BIO 108: Blood (WBCs)

White blood cells (WBCs) or __ is part of the immune system.

leukocytes

White blood cells do not have __ but have nuclei and other organelles

hemoglobin

Major histocompatibility antigens (MHC) are …

cell identity markers

What are these functions of:

• Defend against pathogens

• Remove toxins and wastes

• Attack abnormal cells

• Involved in both immunity responses - inflammation & inflection

White Blood Cells

Most WBCs in __ tissue proper & __ system organs.

connective, lymphatic

What is the process by which WBCs leave the blood stream?

Emigration

What helps WBC stick to blood vessel wall?

Adhesion Molecules

__ are on blood vessel.

Selectins

__ are on white blood cells.

Integrins

__ is abnormally low WBC count.

Leukopenia

__ is abnormally high WBC count.

Leukocytosis

__ is extremely high WBC count.

Leukemia

__ are usually first to respond. {Marines}

Neutrophil

Slide #8

Eosinophil