The correct answer is B. After filtration, the lymph from lymph node travels to the subclavian veins, through efferent lymph vessels. The whole transport process is affected by smooth muscle contraction, changes in pressure and opening/closing of valves.
b)1 unicellular- means one cell
Humans are horrible to each other and always will be
Neuroglia<span>, which is sometimes referred to as "</span>glia", are cells that are not neurons but merely support and provide protection for neurons. They are called 'non-neuronal cells' and they exist<span> in the </span>central nervous system<span> (</span>brain<span> and </span>spinal cord<span>) and the </span>peripheral nervous system (nerves outside the brain and the spinal chord).