Air enters the respiratory passageways when the pressure inside the lungs is lower than the:
blood pressure
atmospheric pressure
abdominal pressure
arterial pressure
all of the choices are correct
atmospheric pressure
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When NAD+ is ________ it becomes NADH. When NADH is ________ it becomes NAD+
A) phosphorylated; deaminated B) reduced; oxidized C) made; recycled D) phosphorylated; dephosphorylated E) oxidized; reduced
Which condition listed gives rise to individuals that are
somewhat mentally disadvantaged, sterile males with undeveloped testes, scant body hair, and enlarged breasts? a) Emesis gravidarum b) Deformation c) Turner's syndrome d) Breech presentation e) Klinefelter's syndrome
Fast-oxidative (type IIa) fibers
a. contain very few mitochondria b. can be converted into fast-glycolytic fibers by regular resistance activities c. are most abundant in muscles specialized for maintaining low-intensity contractions for long periods of time without fatigue d. have characteristics b and c e. have none of the above characteristics
Of the spinal meninges, the middle one is the ________ mater
A) epidural B) pia C) subdural D) arachnoid E) dura