That should be the cell membrane. The cell membrane acts as a filter in and out.
Answer:
DNA Synthesis the number of chromosomes is altered so that there are either too many or too few chromosomes in the cells.
Explanation:
In Puerto Rico the earthquakes happen cause of that
Answer:
Cells produce CO2 and use O2 thats why there is less oxygen in exhaled air bc cells used some and more CO2 bc body gets rid off extra CO2 like that
Explanation:
I hope I did't over complicate
Facial expressions, body movement and posture, gestures, eye contact, touch, space, and voice.
