Answer: The hilum is the point at which arteries carrying nutrients and lymphocytes enter the lymph node and veins leave it. Afferent lymphatic vessels enter the lymph node through the capsule peripherally and efferent lymphatic vessels leave the node via the hilum.
Explanation:
Answer: the answer is b
Explanation: i took the quiz
Answer:
Explanation:
The materials that are useful are bamboo, plastic, steel, concrete, fabric , textiles, stones, brick, repurposed wood e.t.c.
Materials become useful, when those that uses it use it right and to achieve a specific purposes base on the properties the materials poseses.
The materials that are harmful include asbestos, Mercury containing devices, lead based paints, household hazardous waste, light system, mold, refrigerant containing system.
Materials become harmful when they contain substances or properties that is dangerous or can harm human beings and cause damage to cells.
Progressive overload is defined as the adaptation of the body to a steady increase in the amount of the exercise. The amount of overload needed to maintain or improve one’s fitness level are all determined by the frequency (F) of training, intensity of training (I), time allotted for training (T), and the type of training (T); or FITT. Specificity of training is a training principle wherein the body reacts and adapts to the training with respect to the type, therefore the amount of overload is not determined by specificity.
