Misc Flashcards
Right ventricle
Pumps deoxygenated blood to the lungs in the pulmonary artery (only artery to carry deoxygenated blood)
Left ventricle
Pumps oxygenated blood through the aorta to the rest of the body
Atria
Receive blood from veins
Cardiac cycle
Sinoatrial node- pacemaker
Systole- ventricular contraction
Diastole- atrial contraction
Lymphocytes
Nonspecific immunity
B cells
Make antibodies
Helper T cells
Coordinate immune response
Cytotoxic T cells
Kill infected cells
Neutrophils
Phagocytic. First to arrive at a site of inflammation. Primary component of pus
Macrophages and monocytes are also phagocytic- present foreign components to B and T cells to stimulate them to respond
Medulla oblongata
Controls breathing rate (monitors CO2)