Answer:
a describe in blood pressure
Explanation:
sorry for late
A tcells was the first day I had to go home to the dog and I see
The term simple diffusion<span> refers to a process whereby a substance passes through a membrane without the aid of an intermediary such as a integral membrane protein. The force that drives the substance from </span>one<span> side of the membrane to the other is a concentration gradient. Hope this helps.</span>
