Doctors try to remove tumors from the body to prevent it from spreading and affecting other parts of the body.
Answer:
Alveoli
Explain:
They are the workhorses of your respiratory system. You have about 480 million alveoli, located at the end of bronchial tubes. When you breathe in, the alveoli expand to take in oxygen. When you breathe out, the alveoli shrink to expel carbon dioxide.
It has 3 layers
an animal cell has no cell wall but a plant cell dose
it protects,support, and gives the plants their shape
When B cells encounter a pathogen, they <span>divide and produce large amounts of an antibody. The correct option among all the options that are given in the question is the second option or option "b". I hope that this is the answer you were looking for and it has actually come to your help.</span>
Polar.
Polar means that it has a negative pole and a positive pole