Answer:
Diet includes three materials such as lipids, protein and carbohydrates. Lipids are chemically digested by bile.
Proteins are chemically digested by duodenum.
Carbohydrates are chemically digested by Amylase in the mouth.
Lipids are converted into fatty acid, proteins are converted into amino acid and carbohydrates are converted into glucose.
Vitamins absorption of digestion food across villi and micro villi takes place.
Answer:
Herd immunity is a form of indirect protection from infectious disease that can occur with some diseases when a sufficient percentage of a population has become immune to an infection, whether through vaccination or previous infections, thereby reducing the likelihood of infection for individuals who lack immunity.
Explanation:
Vaccines create immunity without causing illness or resulting complications. Herd immunity makes it possible to protect the population from a disease, including those who can't be vaccinated, such as newborns or those who have compromised immune systems.