We need more background information to help.
Several vaccines are made by taking toxins and inactivating them with a chemical (the toxin, once inactivated, is called a toxoid). By inactivating the toxin, it no longer causes disease. The diphtheria, tetanus and pertussis vaccines are made this way.
Answer:
Body language.
Explanation:
If you see someone nervously wringing their hands, you can assume they're worried about something. If you see someone crying, the obvious assumption is to believe they are sad about something.
Asthma
Asthma isn't a disease but more of a birth defect.
The answer is true because if your body weight is at least 20% over what it should be, you are considered obese. This applies to BMI(Body Mass Index) as well. If your BMI is 30 over what it should be, you are considered obese.
