Explanation:
Oxygen is a gas that your body needs to work properly. Your cells need oxygen to make energy. Your lungs absorb oxygen from the air you breathe. The oxygen enters your blood from your lungs and travels to your organs and body tissues
Amoeba is a unicellular heterotrophs.It has no mouth but engulf food particles by spreading two of its pseudopodia and the food find its way into the food vacoule.The digested food is absorbed by the protoplasm by diffusion.
Answer:
i don't speak your language
Explanation:
Can you ask on english? please
The ribosomes that is synthesizing the protein is directly attached to the ER membrane