Answer:
Marsupials
Explanation:
Marsupials, or pouched mammals, are a group of animals that includes kangaroos and koalas. ... Most marsupial babies crawl into a pouch on their mother's belly.
First- b
second - d
third - c
fourth - a
1. Inflammation
2. Antibody
3.Thrombin
4. B cells are activated and release antibodies.
Answer:
why was the discovery of pencillin important?
Penicillin discovery came as a result of the plague that rages St Mary's hospital in 1928, the discovery by a man called Alexandra Fleming which drastically reduce the death rate. Penicillin is an antibiotics that is gotten from mould and it has different strains/species
Explanation: