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7th Science Part 4
A healthy life- A Beka Book-Diseases- Effie Subardoe-Science Order and Design
| Question | Answer |
|---|---|
| Bacteria | Cause diseases |
| Viruses | The tiniest pathogens |
| Infectious diseases | Usually can be spread from person to person; caused by pathogens |
| Noninfectious diseases | Not caused by pathogens; do not spread from person to person |
| Congenital diseases | Diseases that a person is born with |
| Most infectious diseases can spread through ________ _______ and _______ or ____________ _____ or _____. | Infected people, animals, contaminated food, water |
| Vectors | Infected animals |
| Common cold | Not normally severe, but can lead to serious conditions; and infectious diseases |
| AIDS | Acquired immune deficiency syndrome; caused by HIV |
| HIV | Human immunodeficiency virus; causes AIDS |
| The best way to avoid getting AIDS is to obey ___'_ ________. | God's commands |
| Allergies | The most common disease that affects the immune system |
| Allergens | Substances that the body reacts to |
| Cardiovascular disease | The leading cause of death in the U.S.; a disease that affects the heat or blood vessels |
| Heart attack | Occurs when the coronary arteries supplying the heart become blocked |
| One out of every five adults die from ______ _________. | Heart attacks |
| Atherosclerosis | A buildup of fatty deposits in any of the body's arteries that eventually prevents the flow of blood |
| Coronary artery disease | Atherosclerosis of the coronary arteries |
| Arrhythmia | Occurs when the heart beats abnormally |
| Most heart problems can be prevented by ______ ________, ___________, and __________ from _______ and ________. | Eating correctly, exercising , abstaining, tobacco, alchohol |