Abeka 7th Grade Science, Section 4.4 Review
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What system of the body does AIDS attack?
immune system
Why should you not cough or sneeze directly into your hand?
it increases the risk of spreading the disease
Which major group of diseases is not caused by pathogens?
noninfectious diseases
What is an infected animal that can spread disease?
vector
What type of pathogen reproduces by causing a cell to produce copies of the pathogen?
virus
What is the most common type of disease that affects the immune system?
allergies
Define disease.
any condition that interferes with homeostasis
What condition occurs when the coronary arteries become clogged with fat deposits?
artherosclerosis
What disease forms malignant tumors?
cancer
