n. biodiversity
(a) part of the brain found at the base that is made up of the pons, medulla and midbrain in man
(b) elements with properties similar to lanthanide
(c) an abnormal reaction involving flashbacks and abnormal anxiety which can occur after exposure to extreme stress
(d) the number and variety of organisms found within a specific area
n. tragus
(a) the use of contraceptive methods to stop pregnancy; contraception
(b) filtering unit in the kidney; part of the kidney which removes waste products from the blood
(c) nodule of cartilage in the outer ear
(d) a steroid that plays an important part in metabolism
n. acid-base reaction
(a) a gland that secretes the substances it makes outside of the body
(b) ability to be made solid
(c) a reaction involving the movement of protons from a an acid to a base
(d) first member of group V111; a noble gas
n. defense
(a) a compound made of bromine joined to another element
(b) part of the eye that helps to focus light on the retina
(c) a ketone used as a solvent
(d) the barriers and mechanisms of resistance to illness or attack; protection
n. chemical symbol
(a) droplets of liquid in the air that form smoke; mist or fumes when a substance evaporates; barely visible and cloudly matter
(b) this is the letter or letters given to each element which represents it
(c) the initial care used in emergencies to help a wounded or ill person
(d) any substance the body reacts to as foreign or harmful, by producing an antibody against it |
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n. vesicle
(a) any small sac; spherical membrane-bound compartment in the cytoplasm
(b) the use of contraceptive methods to stop pregnancy; contraception
(c) electrons in the outer shell
(d) sugar made up of two monosaccharides
n. circadian rhythm
(a) the oily substance made by the sebaceous glands
(b) daily activity cycle in many organisms caused by a 24-hours interval
(c) poisonous substance
(d) the organ system that coordinates the activities of the body
n. hallucinogen
(a) a substance that causes an allergic reaction
(b) drug which affects the central nervous system and cause people to see or experience unusual things outside the range of normal perception
(c) change in the directions and intensities of a group of waves after passing by a barrier
(d) describes a process where two molecules add together causing another molecule to removed (such as water)
n. capillary
(a) breeding; cultivation; production
(b) cordlike structure connecting the fetus with the placenta
(c) thermodynamic function of a system described by the sum of the internal energy plus the product of its volume multiplied by the pressure from the environment
(d) blood vessel with walls only one cell thick
n. tendon
(a) the study of the physical structure and arrangement of an organism
(b) enzyme hydrolyzing starch into sugar
(c) fibrous, inelastic connective tissue joining a muscle to another muscle or bone
(d) fish having a bony rather than a cartilaginous skeleton |
