Answer:
Epidemiology
Explanation:
<u>Epidemiology</u> provided the first solid evidence that smoking caused cancer and heart disease and has continued to yield information on the health effects of this very human habit.
Answer:
increase blood pressure. constrict blood vessels. open the airways leading to the lungs. increase heart rate. stop bleeding.
Explanation:
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Answer:
Needle loop is used to inoculate microorganisms.
Explanation:
Inoculation of microorganisms in a given culture media involves application of substances which may be chemicals or a food source to the microbes to ensure its survival. It helps in the growth of the organisms for further analysis.
The loop is usually flamed to kill foreign organisms as this may contaminate which may result in altering the reactions and observations of the study.
