n. a gland which secretes substances that it makes (hormones) into the blood (*) component (*) motor neuron disease (*) gluconeogenesis (*) endocrine gland

n. a junction between a nerve ending and another excitable cell (*) head (*) orthopedics (*) chemical synapse (*) physiology

n. one of the legs or arms (*) allergen (*) advice (*) limb (*) cramp

adj. something which mixes with a similar substance (*) cohesive (*) miscible (*) levorotatory (*) nauseous

n. the organ of balance and hearing (*) wavelength (*) ear (*) blockage (*) carotene

n. inherited disorder where the red blood cells are abnormal shapes ('sickle') (*) sickle cell disease (*) peptic (peptide) bond (*) ovulation (*) reproductive system

n. process in which one atom, ion or molecule gives electrons and the other receives them (*) atomic mass (*) amniotic sac (*) redox reaction (*) beriberi

n. this is the degree to which acids are able to dissociate into ions in a solution (*) acid strength (*) elongation (*) medication (*) acid-base indicator

n. female sex hormone (*) insecticide (*) acid rain (*) nicotine (*) estrogen

adj. relating to youth (*) quaternary (*) juvenile (*) cancellous (*) effervescent