Answer:
si
Explanation: sí, la vida extraterrestre tiene que existir en algún lugar dentro del universo, en un planeta tiene que haber vida incluso tan pequeña como una bacteria, pero si estamos hablando de vida eucariota, como animales, insectos y plantas, tiene que haberla porque hay millones. de planetas dentro de esta galaxia solamente y hay miles y millones de galaxias que existen; por lo tanto, la vida extraterrestre tiene que existir.
The major problem with using foreign cells grown in culture for transplantation in humans is the host immune system would destroy such cells.
The body of your child is shielded from external invaders by the immune system. These include poisons, bacteria, viruses, fungus, and other types of germs (chemicals made by microbes). The various organs, cells, and proteins that make up the immune system cooperate with one another. Infections like measles, mono (mononucleosis), and the flu virus can also temporarily impair immunity. Additionally, unhealthy eating habits, alcoholism, and smoking might impair your immune system.
Antigens, which are proteins on the surface of the invading cells, are used by the immune system to identify invaders. Every substance or cell has a unique set of antigens, and every person's cells include "self-antigens" that are particular to that person.
To know more about immune system refer to: brainly.com/question/15975169
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Answer:
D
Explanation:
trees interact with other organisms by providing food, shelter, and nutrient cycling.
I think its e. coli, because it’s bacteria that lives in the intestines of most healthy people and animal. e. coli can also cause serve abdominal cramps, bloody diarrhea, and vomiting
