1)The science of life and my major. It involves the study of living organisms from various levels. From the genetic material (Genetics, Molecular Biology, etc), to cells (Cell Physiology, Cellular Microbiology,etc), to organs and organ systems (Neurology, Embryology, Immunology, etc) to organisms (Chordates, Animal Physiology,etc), to populations and the external environment (Ecology, Marine Biology, Evolution).
2) Classes dumbass
people cant pass for shit because they are dumb as fuck, or they
don't care, or both.
3)Without it, there wouldn't be any doctors or medicine to save your
useless and
pathetic lives.
4) Slang for sexual intercourse.
1) Immunology is a branch of biology where emphasis is placed on cell mediated immunity (Macrophages, Cytotoxic T Cells, and NK cells) and Humoral immunity (B-cells, helper T-cells, complement system, as well as clonal selection).
2) person 1: "I'm a
dumbass because i can't pass biology"
person 2: "Then change your major to something stupid as fuck like art or english"
3)
Doctor: "good thing I have a major in biology to save this
dumbass art student, who has HIV because he is gay."
4) I'm having biology tonight with her/him.