Across
- 4. a throbbing of blood vessels as blood goes through them.
- 5. a jelly-like substance, obtained from red algae.
- 7. Referring to the time when the heart is in a period of relaxation and dilatation.
- 9. a suggested solution for an unexplained occurrence that does not fit into current accepted scientific theory.
- 12. a procedure carried out to support, refute, or validate a hypothesis.
- 14. a microorganism that causes, or can cause, disease.
- 16. how well a scientific test or piece of research actually measures what it sets out to, or how well it reflects the reality it claims to represent.
- 17. how hot or cold something is. Our bodies can feel the difference between something which is hot and something which is cold. To measure_________more accurately, a thermometer can be used.
- 18. a type of antimicrobial substance active against bacteria.
- 20. a person who investigates things or studies in the field microbiology.
Down
- 1. a group of living organisms which are classified in their own kingdom. This means they are not animals, plants, or bacteria.
- 2. a collection of facts, such as numbers, words, measurements, observations or just descriptions of things.
- 3. also called germs, are microscopic organisms not visible with the naked eye.
- 6. the art or act of identifying a disease from its signs and symptoms.
- 8. a microscopic organism, which may exist in its single-celled form or a colony of cells.
- 10. subjective evidence of disease or physical disturbance broadly
- 11. Any power, principle or substance capable of producing an effect, whether physical, chemical or biological.
- 13. a doctor who specializes in the care of babies and children.
- 15. The blood pressure when the heart is contracting.
- 19. a microscopic parasite that can infect living organisms and cause disease.