Answer: All are correct except smoking.
Explanation: Cigarettes contain carcinogens which can greatly INCREASE the risk of heart disease, heart attack, and stroke.
However, a healthy diet and regularly exercising will reduce the risk.
Answer: true
Explanation: Time is very important when an unconscious person is not breathing. Permanent brain damage begins after only 4 minutes without oxygen, and death can occur as soon as 4 to 6 minutes later. Machines called automated external defibrillators (AEDs) can be found in many public places, and are available for home use. Hope this helps
Antigens are any molecules that elicit adaptive immune response. Antigens protrude from pathogens or other intruding substances. Antibodies are proteins found in blood plasma that attach to one particular kind of antigen and help to counter its effects.
Answer:
True
Explanation:
Primary prevention avoids the development of a disease
