Lung diffusion is your ability to pass oxygen into the blood from the air sacs of the lungs, and pass carbon dioxide (CO2) back into the lungs from the blood.
Answer:
The best answer to the question: The change in energy consumption in the United States during the past 100 years is due to: a growth spurt in population, which means an increased need for energetic production and consumption, and also, the appearance of technological advances that require such energetic consumption.
Explanation:
According to statistical data, in the past 100 years in the U.S, the production and consumption of energy, in the form of electrical power, oil, coal and natural gas, has increased significantly compared to a period prior to those 100 years because of the increase in population, the expansion of that population to greater land areas, and most importantly, due to the appearance of technologies that have required such energy. Cars, planes, devices that require power, transportation of different kinds, have grown along with population growth and have marked the difference in the way, and the amount, that energy is consumed in the U.S.
He should lighten up his exercise just a bit to ensure he is not overloading his heart.
Answer:
f. Lipoproteins can be distinguished by their densities and composition.
Explanation: Lipoproteins are special particles made up of droplets of fats surrounded by a single layer of phospholipid molecules. Phospholipids are molecules of fats which are attached to a phosphorus-containing group. They are distinctive in being amphipathic, which means they have both polar and non-polar ends.
Lipoproteins are complex particles with a central core containing cholesterol esters and triglycerides surrounded by free cholesterol, phospholipids, and apolipoproteins, which facilitate lipoprotein formation and function.
I believe this would be the second one.
hope this helps!
