What is xylem and what function does it carry out in plants?

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.

What are the student's observations and inferences before he starts his investigation?

What substance acts to prevent sudden ph changes in bodily fluids?