I believe keratinocytes, so A.
Answer:
The answer is B: Cystic fibrosis.
Explanation:
Cystic fibrosis is a SERIOUS hereditary disease, which not only damages the lungs but also the digestive system and is characterized by affecting the cells that produce mucus, sweat and gastric juices. These fluids are altered in their composition, becoming thick and sticky which lead to an obstruction of the ducts.
Answer:
Bacteria are singled celled. they can reproduce but be careful they have energy and causes from other sources. Virus arent considered living or alive, but they can live for so long and can affect others really fast.
