1. Electrical and Chemical Signals This is a product of the science department of Dartford Technology College

2. Question 1 What do we call a signal carried by the nerves in your body? Nervous signal Electrical impulse Data stream Signal flow

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4. Question 2 What do we call the gap between two neurones? Synapse Junction Terminus Linkage

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6. Question 3 What term is used for a loud sound, a hot object, something sharp or a frightening experience? Contract Synapse Stimulus Neurone

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8. Question 4 After a stimulus, the electrical impulse passes up the? Relay neurone Motor neurone Sensory neurone Synapse

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10. Question 5 What does a CNS stand for? Central News Section Central Nervous System Central Nerve Signal Central News Signal

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12. Question 6 What do we call the following; stimulus, sensory neurone, relay neurone, motor neurone, effectors? Reflex set Reflex list Reflex arc Reflex term

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14. Question 7 What do we call the chemical messengers of the body? Hormones Vitamins Cholesterol Peptides

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16. Question 8 The hormone insulin controls the level of sugar in the blood but where is it made? Thyroid Pancreas Kidney Stomach

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18. Question 9 Give the name of the male sex hormone? Oestrogen Progesterone Adrenaline Testosterone

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20. Question 10 A blood clot in the brain which causes brain cells to die is called a … ? Tumour Cancer Stroke Burst

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22. Question 11 Part of the eye that controls the amount of light that enters? Cornea Retina Lens Iris

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24. Question 12 What do we call the inner lining of the eye that detects light and contains rods and cones? Cornea Lens Pupil Retina

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26. Question 13 The cones in the retina are for colour vision. What are rods for? Strong light intensity Low light intensity Total darkness Infra-red

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28. Question 14 What do we call the disease where the body is unable to control the level of sugar in the blood? Malaria Dwarfism Diabetes Typhoid

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30. Question 15 Select the hormone responsible for maintaining the uterus lining after ovulation? Oestrogen Testosterone Adrenaline Progesterone

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32. Question 16 What organelle of the body produces hormones? Duct Gland Vesicle Epithelia

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34. Question 17 Select the word that means the lens can change its thickness to focus on near and far objects? Adjustment Apparent Accommodation Accolade

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36. Question 18 What do we call the release of an egg from the ovary? Oviparous Ovulation Ovarian Overburden

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38. Question 19 A useful microorganism found in the stomach. Others can cause disease? Fungi Nematodes Bacteria Virus

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40. Question 20 Artificial insemination means to insert sperm into a woman from a donor to? Make a robot Fertilise an egg To produce more sperm To release more eggs

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