S: (n) wakefulness (a periodic state during which you are conscious and aware of the world) "consciousness during wakefulness in a sane person is pretty well ordered and familiar"
S: (n) incompatibility ((immunology) the degree to which the body's immune system will try to reject foreign material (as transfused blood or transplanted tissue))
S: (n) arousal (a state of heightened physiological activity)
S: (n) sleep, slumber (a natural and periodic state of rest during which consciousness of the world is suspended) "he didn't get enough sleep last night"; "calm as a child in dreamless slumber"
S: (n) drive (a physiological state corresponding to a strong need or desire)
S: (n) elastosis (breakdown of elastic tissue (as the loss of elasticity in the skin of elderly people that results from degeneration of connective tissue))
S: (n) hypercapnia, hypercarbia (the physical condition of having the presence of an abnormally high level of carbon dioxide in the circulating blood)
S: (n) hypocapnia, acapnia (a state in which the level of carbon dioxide in the blood is lower than normal; can result from deep or rapid breathing)
S: (n) asphyxia (a condition in which insufficient or no oxygen and carbon dioxide are exchanged on a ventilatory basis; caused by choking or drowning or electric shock or poison gas)
S: (n) oxygen debt (a cumulative deficit of oxygen resulting from intense exercise; the deficit must be made up when the body returns to rest)
S: (n) hyperthermia, hyperthermy (abnormally high body temperature; sometimes induced (as in treating some forms of cancer))
S: (n) sterility, infertility (the state of being unable to produce offspring; in a woman it is an inability to conceive; in a man it is an inability to impregnate)
S: (n) pregnancy, gestation, maternity (the state of being pregnant; the period from conception to birth when a woman carries a developing fetus in her uterus)
S: (n) rigor mortis (temporary stiffness of joints and muscular rigidity occurring after death)
S: (n) disorder, upset (a physical condition in which there is a disturbance of normal functioning) "the doctor prescribed some medicine for the disorder"; "everyone gets stomach upsets from time to time"