This transportation process requires the cell to move particles from low concentration to high concentration.

1. active transport
2. osmosis
3. diffusion
4. facilitated diffusion

Place the steps tor the formation of the enzyme pepsinogen in correct order

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.

Which term describes a normal value for something in the body? a.homeostasis b.set point c.feedback loop d.integration center