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Introduction To Health Sciences Vocab
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Introduction To Health Sciences Vocab
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1. Two or more atoms held together by chemical bonds - e.g. hydrogen (H2) - water (H2O) - carbon dioxide (CO2).

2. A volume in which there are no atoms or molecules.

3. The dimension of positive and negative feelings - exemplified by - respectively - happiness and pain.

4. Pain that arises from psychological triggers such as social loss; e.g. bereavement - marital breakdown.

5. An epidemic on a world-wide scale.

6. Any cell that ingests and destroys foreign particles - bacteria and cell debris.

7. The volume of air inhaled and exhaled at each breath when resting (abbreviated to TV).

8. Fine particles of a solid suspended in the air.

9. The spread of malignant - cancerous cells to other parts of the body by way of the blood or lymph vessels.

10. A long chain molecule made up of many repeating units.

11. A sensory nerve cell or group of cells that responds to a chemical stimulus.

12. The entire range or extent of some quantity - arranged in order; e.g. electromagnetic or visible light.

13. A class of animals characterised by having the body covered in hair - by having a four-chambered heart - and by feeding their young on milk produced by the female.

14. The problem of trying to explain how the subjective feelings of consciousness arise from the physical matter of the brain.

15. A global strategy to combat trachoma - involving eyelid surgery - antibiotic treatment - attention to facial cleanliness and environmental changes.

16. The process of breaking down foods in the body into the molecules needed to maintain life.

17. Categorised into three progressive stages: fatty liver - hepatitis and cirrhosis.

18. The energy needed to break a bond between two atoms.

19. The process of expiring or breathing out; the emission of air from the lungs.

20. In screening - a person whose screening test result is negative (indicating no disease) - but who actually has the disease.

21. Any fracture where the overlying skin is broken.

22. The body system consisting of the heart - blood vessels and blood. It circulates blood throughout the body and is also known as the circulatory system.

23. Microscopic organisms (bacteria - fungi and protoctists) - together with viruses - whether pathogenic (disease-causing) or harmless; also known as microorganisms.

24. A hormone Which is normally secreted by the brain in response to decreased water levels in the body. When alcohol is drunk - ethanol acts on the brain and inhibites the release of this - allowing the kidneys to make more urine.

25. The transparent gelatinous fluid within the eyeball (between the lens and the retina).

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