Stratum basale, spinosum, granulosum, lucidum, and corneum!
B- and T-cells are both produced in the bone marrow, but T-cells leave the bone marrow to mature in the thymus
Humoral is when the invading pathogens are freely circulating the body. Cellular or cell-mediated is when the invading pathogens have taken over cells.
Eosinophils are a type of white blood cell that defend the body against parasitic worms by positioning themselves against the worm and discharging the destructive contents of their large cytoplasmic granules.
Antibodies contain four polypeptides (two heavy, two light), arranged in a y-shape.
main artery, connects to left ventricle, takes blood to systemic capillaries
veins, connect to right atrium
connects right ventricle and lung
connects left atrium and lung.
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