Answer:
d. provide insulation against cold temperatures.
Explanation:
Lipids are biomolecular substances that are soluble in non,polar solvents. Lipids are present in every cell of the human body and are the main part of the cellular membrane.
One of the main functions lipids do is storing energy. If a person eats excessive amount of food, lipids help store the energy in the form of fat molecules in the body to use later.
Also, lipds can be used interchangeably as fats - triglycerides which provide insulation against cold temperatures.
The nervous system is comprised of two major subdivisions, the central nervous system (CNS) and the peripheral nervous system (PNS).
1. A<span>ccording to the national clearing house of alcohol and drug information (NCADI), most children under the age of 21, </span>who do not participate in drug and alcohol abuse, is virtually certain to never do so.<span>
2. T</span>he average age when youth first try alcohol is 11 years for boys and 13 <span>years for girls. The average age at which Americans begin drinking regularly in 15.9 years old.
3. Nicotine is the addictive chemical found in tobacco. </span>
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