Anglais L3 SVT - Statistics

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General Stats

This quiz has been taken 2 times
The average score is 1 of 111

Answer Stats

Hint	Answer	% Correct
The organ in females in which babies are concieved and carried. Also called the uterus	womb	100%
Convert into droplets	emulsified	0%
One of the glands which secrete hormones into the bloodstream	endocrine gland	0%
Bodily system of glands which secrete hormones into the bloodstream	endocrine system	0%
Released in respiration and required for virtually all metabolic activities in living things	energy	0%
Proteins which catalyse or speed up chemical reactions inside our bodies	enzymes	0%
Small flap at the back of the tongue; it closes the top of the trachea when we swallow so that food does not go down the wrong way (It does not always work properly ; if food goes down the wrong way you cough to try to get the lump of food out of your windpipe)	epiglottis	0%
Reathe air out	exhale	0%
Long-chain molecules made up of hydrogen and carbon atoms	fatty acids	0%
Bodily system in which the effect of a hormone's action or lack of action is fed back into the system, turning production of the hormone off or on	feedback loop	0%
Non-digestible carbohydrates. Fibre is essential as a bulking agent to help food pass quickly and easily through the bowelA lack of fibre in the diet can lead to constipation	fibre	0%
Influenza : a highly contageous viral disease that can cause death	flu	0%
Follicle Stimulating Hormone, which stimulates oestrogen production and the growth of follicles (egg-sacs) in the ovaryIt is secreted by the pituitary gland	FSH	0%
Transfer of oxygen from the air into our blood and carbon dioxide out of our blood into the air	gaseous exchange	0%
Disease which children can inherit from their parent/s as a result of abnormalities in their genes	genetic disease	0%
Keeping a constant blood sugar level	glucoregulation	0%
A simple sugar made by the body from food, which is used by cells to make energy in respiration	glucose	0%
A soluble carbohydrate which is coverted into glucose by the liver	glycerol	0%
Cells in the lining of the trachea and bronchi which make mucus	goblet cells	0%
Chemical messengers produced in glands and carried by the blood to specific organs in the body	hormones	0%
The increased strength and size of a hybrid (an offsping produced as a result of breeding two genetically different organisims) compared to that of the parents	hybrid vigour	0%
A component of gastric juice secreted in the stomach. It helps chemical digestion by breaking down food and providing the optimum pH for the digestive enzyme pepsin	hydrochloric acid	0%
Greek for 'too much sugar in the blood'	hyperglycaemia	0%
Greek for 'too little sugar in the blood'	hypoglycaemia	0%
The part of the brain responsible for controlling the body's reaction to temperature, hunger and thirst	hypothalamus	0%
The body's defence system against diseases and infections	immune system	0%
Breathe air in	inhale	0%
Devices that administer medication to the airways	inhalers	0%
The automatic response produced by reflex arcs - for example knee jerk reflex, withdrawal reflex, blinking, salivating	innate behaviour	0%
Muscles between the ribs which raise the ribcage by contracting and lower it by relaxing	intercostal muscles	0%
Fertilisation outside the womb. 'In vitro' means in a test-tube (or glass dish)	in vitro fertilisation	0%
Positively- or negatively-charged particles - eg positively charged hydrogen, sodium and potassium atomsIon charge helps determine a substance's acidity or alkalinity	ion	0%
Positively- or negatively-charged particles - eg positively charged hydrogen, sodium and potassium atoms	ions	0%
One of two organs in humans which extract impurities from the blood	kidney	0%
A toxic chemical produced during anaerobic respiration	lactic acid	0%
Complex behaviour which is aquired through experience. We don't all respond in the same way to a specific stimulus - for example some people don't eat chocolate cake because they have learnt that it makes them ill, even though they like the taste	learnt behaviour	0%
Luteinising Hormone, secreted by the pituitary gland, which stimulates ovulation	LH	0%
Organ which constitutes the largest gland in the body. It produces bile to aid the digestion of fats, stores glucose in the form of glycogen, and helps break down proteins and carbohydrates	liver	0%
White blood cells which attack pathogens by producing antibodies	lymphocytes	0%
The biochemical activities that occur within the body to keep us alive	metabolic activities	0%
Harmful by-products of metabolic processes	metabolic waste	0%
The sum of all chemical processes taking place in our cells, and the rate at which these proceed	metabolism	0%
Inorganic chemical compounds	mineral salts	0%
Motor neurones carry messages out of the CNS to effector organs	motor	0%
Slimy white protein which lines the respiratory tract and alimentary canal	mucus	0%
Thin lining tissues which secrete mucus	mucus membranes	0%
A nerve cellIt carries an electrical message or impulse when it is stimulated	neurone	0%
Female hormone secreted by the ovaries	œstrogen	0%
Process of keeping a constant amount of water and salts in the blood	osmoregulation	0%
A pair of organs in the female reproductive system where ova (eggs) are produced	ovaries	0%
Gaseous element making up about 20% of the air, which is needed by living organisms for respiration	oxygen	0%
Containing oxygen	oxygenated	0%
The amount of extra oxygen required by the body for recovery after vigorous exercise	oxygen debt	0%
Forceful or irregular heartbeats	palpitations	0%
Large gland located in the abdomen near the stomach which produces digestive enzymes and the hormone insulin	pancreas	0%
An organism that lives in or on another organism	parasites	0%
The body's natural barriers which are always there, eg the skin	passive immune system	0%
Wave-like muscular contractions in the smooth wall of the gut which move food through the alimentary canal	peristalsis	0%
Scale of acidity/alkalinitypH below 7 = acidic, pH above 7 = alkaline	pH	0%
The rods and cones of the retina - they respond to light stimuli	photoreceptors	0%
Liquid, non-cellular part of the blood	plasma	0%
White blood cell fragments which circulate in the blood and assist in clotting	platelets	0%
A suspension of particles in a liquid (formed when a previously dissolved substance becomes insoluble)	precipitate	0%
Female hormone secreted by the ovaries	progesterone	0%
Organic compounds made up of amino acid molecules. One of the three main food groups, proteins are needed by the body for cell growth and repair	proteins	0%
Manufacturing of proteins	protein synthesis	0%
Minute, usually single-celled, organisms which do not photosynthesise. Singular is protozoan or protozoon	protozoa	0%
A minute, usually single-celled, organism which does not photosynthesisePlural is protozoa	protozoan	0%
Substances present at the start of a chemical reaction	reactants	0%
Chemical used in a laboratory test	reagent	0%
Organ which recognizes and responds to stimuli	receptor	0%
Specialised cells which react to stimuli and convey impulses down nerves	receptor cells	0%
Organs which recognize and respond to stimuli	receptors	0%
Cells which contain haemoglobin and carry oxygen	red blood cells	0%
An involuntary reaction that happens rapidly in response to a stimuli eg moving your hand from a flame	reflex action	0%
A nerve pathway which produces an automatic response	reflex arc	0%
Deflected from a straight path ; bent	refracted	0%
These nerve cells carry messages around the CNS	relay neurones	0%
Carries blood to the kidneys	renal artery	0%
Takes blood away from kidneys	renal vein	0%
Reaction to a stimulus ; the effect produced by an effector organ, for example you salivate when you taste something	response	0%
The inside layer in the eye that is responsive to light	retina	0%
Ribonucleic acid : it converts the genetic information stored in DNA into proteins	RNA	0%
Fluid secreted by glands in the mouth which moistens and softens food. It contains the enzyme amylase which digests starch, and a lubricant which makes food slippery and easy to swallow	saliva	0%
Class of chemical compounds, mostly metallic oxides. Examples are sodium chloride, potassium chloride, and magnesium sulphate	salts	0%
Organ which recieves and responds to a stimulus, for example, the eye, ear, taste buds, skin, nose	sense organ	0%
Sensory neurones carry messages from sense organs into the CNS	sensory	0%
Having two eyes side-by-side, each delivering a slightly different view to the brain. It enables humans to judge distance, depth and speed	stereoscopic vision	0%
Things that set off a reaction in the nervous system, for example, light, heat, sound, gravity, smell, taste, or temperature. The singular is stimulus	stimuli	0%
Something that causes a response; a sense impression that sets off a reaction in the nervous system, for example, light, heat, sound, gravity, smell, taste, or temperature. The plural is stimul	stimulus	0%
A substance on which enzymes act	substrate	0%
The gap between two neurones across which nerve signals must jump	synapse	0%
Made or put together	synthesised	0%
The organs which hormones take effect upon	target organs	0%
The main male sex hormone, secreted in the testes	testosterone	0%
The process of keeping a constant body temperature	thermoregulation	0%
The chest, containing the heart and lungs and encased by the ribs	thorax	0%
The windpipe or tube from the back of the mouth to the top of the lungs	trachea	0%
Too small to be seen with a normal microscope. (Electron microscopes are usually used to study viruses)	ultramicroscopic	0%
A nitrogenous waste product resulting from the break down of proteins. It is excreted in urine	urea	0%
Aka womb, this is where the fertilised ovum develops	uterus	0%
Immunising by introducing harmless pathogens ; innoculating	vaccinating	0%
Substances containing disabled antigens of a particular disease, usually administered via injection. Vaccines stimulate the body to produce antibodies to provide immunity against that disease.	vaccines	0%
Narrowing of the blood vessels	vasoconstriction	0%
The widening of blood vessels	vasodilate	0%
Widening of the blood vessels	vasodilation	0%
Thin-walled, valved tubes which carry blood back to the heart	veins	0%
Ultramicroscopic non-cellular organisms that replicate themselves inside the cells of living hosts	viruses	0%
Organic substances which are essential in small amounts to regulate the metabolism and maintain the immune system	vitamins	0%
An action which is not forced or a reflex	voluntary action	0%
Cells which fight disease by making antibodies or engulfing germs	white blood cells	0%

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