n. blood vessel
(a) when specialized sperm and egg cells join to form a fertilized egg which then develops into a new organism
(b) channel through which blood circulates (e.g. vein or artery)
(c) negatively charged ion
(d) system of sex organs (testis and ovary) and associated structures
n. cone
(a) small phagocyte white blood cell
(b) the time taken for the body to excrete half a given amount of drug; the time taken for half of the atoms in a radioactive sample to decay
(c) a structure found in the cell cytoplasm that plays a role in cell division
(d) photoreceptor in the retina being responsible for daylight and color vision
n. reproductive system
(a) instrument used to look at the inside of the eye; for example the optic disc
(b) juice made by the liver
(c) system of sex organs (testis and ovary) and associated structures
(d) curved tube that is the main part of the nephron in the kidney
n. ionic bond
(a) bonds held between ions in an ionic compound
(b) arthropod that lives in water and is characterised by a hard shell, segmented body and jointed limbs
(c) the blood and other substances lost from the uterus at menstruation
(d) metallic element found only as compounds
n. hematopoiesis/hemopoiesis
(a) thick membrane surrounding the female ova
(b) the process by which blood cells are made
(c) inactive state of hibernation
(d) bond between two atoms where electrons are exchanged between them |
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n. phloem
(a) lymphoid tissue at the back of the throat
(b) 'windpipe'; cartilaginous tube that connects the larynx to the bronchi
(c) tissue that transports sugars in plants
(d) ethyl alcohol; the alcohol in fermented drinks
n. cerebral hemisphere
(a) the middle ear (tympanic cavity) and the eardrum (tympanic membrane)
(b) one of the two halves of the cerebrum
(c) diabetic illness that can only be managed using insulin injections; usually affecting young people
(d) male gonads
n. cystine
(a) an organic compound that contains two alkyl groups attached to a carbonyl group
(b) a group of organisms
(c) an atom's ability to attract electrons in chemical bonds
(d) an amino acid
n. lactic acid
(a) cellular division producing somatic cells with a full quota of chromosomes after each division
(b) the act of changing position or moving
(c) chemical that is formed when glucose is metabolized in the absence of oxygen (anaerobic respiration)
(d) unreactive metallic element with chemical symbol Cu that is essential for red blood cell formation
n. alcohol
(a) any of a class of organic compounds formed when a hydroxyl group (-OH) is substituted for a hydrogen atom in a hydrocarbon
(b) the way that electrons are found around an atom
(c) a scale that measures temperature where absolute zero is the lowest temperature value
(d) vitamin needed to make nucleic acids |
