Yes so people know what they are doing and so they aren't ignorant
B. Small diameters is the characteristic of capillaries that causes restriction of blood flow.
Since it is a narrow passage, not a lot of blood can pass through it at the same time.
AIDS
cancers of the immune system e.g. lukemiea
immune- complex diseases
multiple myeloma
I would think it would be B which is probably the right answer.
Gizzard is basically a thick-walled muscular pouch found in the hind part of the stomach in many bird species and reptiles that is responsible for grinding food. This may contain small stones or otherwise known as gastroliths because these will aid in the mechanical breakdown of seeds and other food intakes.