Answer:
c) Atherosclerosis
Explanation:
Atherosclerosis refers to the buildup of plaque (cholesterol, fats and other substances) in and on the walls of the arteries, this results to restricted flow of blood.
It is the most common cause of peripheral arterial problems in the older adults. It is often classed as disease of aging because increase in age is an independent risk factor for the development of atherosclerosis. In other words, as one grows older the risk of atherosclerosis increases. As one ages, lifestyle factors or genetics can cause plaque to build up in the arteries.
Answer:
When we breathe, the air goes through the trachea and bronchi and splits at the tracheas base with one entering each lung. The air divide itself into the bronchioles. Then diffusion happens by swapping the CO2 in the capillaries with O2 in the airsacks. The oxygen hemoglobin gets transported to all of the bodyand the Co2 is exhaled.
Explanation: