n. inability to get and maintain erections (*) impotence (*) treponema pallidum (*) transplant (*) sodium

n. barm (*) metallic bond (*) yeast (*) turgor pressure (*) base

n. the expansion and contraction of the blood as it is pumped around the circulation (*) pulse (*) sclera (*) natural selection (*) endothelium

n. any reaction occurring between atoms or compounds can be written with the reactants on the left and the products on the right separated by arrows showing the direction of the reaction (*) chemical equation (*) reflex (*) carcinogen (*) gap junction

pref. heat (*) therm- (*) hist- (*) uni- (*) meso -

abbr. hormone which is secreted by the anterior pituitary gland (*) TB (*) M.D. (*) TSH (*) NAD

n. principle explaining the relationship between different forms of energy (*) feedback (*) mammal (*) law of thermodynamics (*) active site

v. to continue (*) spread (*) persist (*) prescribe (*) palpate

n. contraction of the pupil in the eye (*) miosis (*) dependent diabetes (*) fibula (*) melanin

n. a substance that causes cancer (*) bronchioles (*) carcinogen (*) cystine (*) aspirin