Answer: A vaccine works by flowing in your blood and getting rid of the toxic or bad germs in your body.
Explanation:
The answer for this question is ‘Epidemiology’
Answer:
The correct option is: B) peristalsis
Explanation:
Peristalsis is the involuntary wave-like contractions and relaxations of the smooth muscles of the gastrointestinal tract of the humans.
These alternating contractions and relaxations produces a peristaltic wave that pushes the food down the esophagus of the digestive system. The peristaltic movement prevents the food from moving backwards and pushes the food forward.
Answer: dentist
Explanation:
Dentists are specialize in dentistry, which is a branch of medicine which consist in the study, diagnosis, prevention and treatment of diseases related with the "mouth" or oral cavity. In other words, they diagnoses problems with the teeth and gums.