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.
Answer:
Sterols and phospholipids
Explanation:
"Bad" bacteria because there are also good bacteria that we need in order to live not just healthy, because every person gets sick and we need it for our body. Too much good thing is a bad thing.
Answer:
Joanne had a huge cancerous tumor removed from her breast. This damaged her breasts. Joanne has to undergo a mammoplasty in order to repair her breasts.
Explanation: