Birth controls are a good way to prevent pregnancy, especially shots or patches. The disadvantage is that you are not protected from STDs while on a method of birth control
Answer:
True
Explanation:
Free radicals are unstable molecules that lost an electron and will seek to replace it as it gives rise. These are formed from oxygen and although about 95% of the oxygen we consume is for energy, the rest generates these harmful molecules.
Free radicals cause aging, DNA alterations and <u>cardiovascular diseases</u>, arteriosclerosis, diabetes, increase levels of bad cholesterol and <u>cancer</u>.
There are also other elements that increase the number of free radicals in our body and these are: tobacco, radiation, excessive consumption of processed foods, pesticides and industrial pollution.
True, For example you have to eat healthy and not do drugs in order to function correctly and not be affected by these things
Answer:
The Human Excretory System
Explanation:
The Human Excretory System is crucial in removing or discharging wastes from the body. Wastes may come in the form of urine, earwax, excrement, sweat, carbon dioxide, etc.
The "skin" is part of the Excretory System that is responsible for removing<em> salts</em> from its surface in a process called<u> sweating</u>. On the other hand, the "lung" is responsible for excreting <em>"carbon dioxide</em>." Having high levels of this element in the blood will lead to <u>failure of the respiratory system</u>.
