Arteries are blood vessels responsible for carrying oxygen-rich blood away from the heart to the body. Veins are blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation. Arteries and veins are two of the body's main type of blood vessels.
Answer:Nervous tissue is composed of two types of cells, neurons and glial cells. ... An important part of the function of neurons is in their structure, or shape. ... It is the axon that propagates the nerve impulse, which is communicated to one or more cells. ... Information flows through a neuron from the dendrites, across the cell body, ...
I think it is D but I might be wrong !!! Hope I help !!