Cells can only be seen if they are magnified with a microscope.
Respiratory and circulatory systems work hand in hand to expel wastes. respiratory system removes CO2 and the circulatory uses the blood as a medium to move excess salts and water from source to sink.
To make sure we don't get germs and get sick
Answer:
mutations are sometimes helpful, sometimes harmful and sometimes neutral
Explanation:
Im super good at Biology and the way i remember the answer to this is protein is transcribed and there is mRNA,rRNA, and tRNA. I relate transcribe to tRNA so when I see it i thing transcribe.