n. a substance that governs a reaction or process (*) regulator (*) cialis (*) flavin adenine dinucleotide (*) skin rash

n. iron oxide that forms when exposed to oxygen and moisture (*) fibre (*) rust (*) necrosis (*) HIV protease inhibitor

v. to cause ingested substances to move down the throat and into the stomach (*) vaccinate (*) swallow (*) multiply (*) delay

n. thin lower leg bone (*) trachea (*) nonprescription medication (*) fibula (*) circadian rhythm

n. malfunction of the light-sensitive membrane which is part of the eyeball (*) magnetic field (*) diastole (*) retina disease (*) manganese

adj. over-development of a tissue (or part of) which leads to an increase in size and volume of the tissue (*) penile (*) hypertrophy (*) elderly (*) hepatic

n. air tube connecting trachea ('windpipe') and lungs (*) valency theory (*) bronchus (*) wart (*) law of segregation

adj. discharged from the body (*) excreted (*) chronic (*) transmembrane (*) prostatic

n. pair of ducts through which the eggs are moving to the uterus (*) gas (*) alkaloid (*) anhydride (*) fallopian tube

adj. swollen and engorged (*) turgid (*) intercellular (*) calcified (*) major