In boys, the first puberty change is enlargement of the scrorum and testes. At this point, the penis does not enlarge.
As the testes and scrotum continue to grow, the penis grows.
The first growth of pubic hair produces long, soft hair that is only in a small area around the genitals.
This hair becomes darker and courser as it continues to spread.
The pubic hair eventually looks like adult hair, but in a smaller area. It may spread towards the thighs and up to the stomach.
Body size will increase, Voice changes, and they start producing sperm.
False! There are many different ways people stay motivated.
Hopefully this helped:)
Answer:
The photon energies to vary widely, making this statement true
Answer:
Asbestos will most likely had the greatest impact on the development of lung cancer.
Explanation:
<u>RISK FACTORS FOR LUNG CANCER</u><u>:</u>
- <u>Tobacco smoke</u><u> :</u> Cigar smokers & Pipe smokers mostly causes lung cancer.Smoking low tar cigarette also increases lung cancer risks. People who consumes menthol cigarettes also have an equal risks because menthol is inhaled deeply.
- <u>Radon exposure</u> : Radon is naturally occurring radioactive gas that cause from the uranium breakdown in rocks and soils. For eg. Homes & other buildings in United states also have higher radon levels.
- <u>Asbestos exposure</u> : People who work with asbestos ( i.e. mills, mines, textile plants & shipyards) are more likely die of lung cancer. When they were exposed to large quantity of asbestos,they develop mesothelioma ( cancer of pleura).
- <u>Consumption of dietary supplements</u> : Smokers who take beta carotene supplements had an increasing risk of lung cancer.
- <u>Second hand smoke</u> : If a person does not smoke, but if he inhale or take breath in the smoke of others, it can increase the risk of developing lung cancer. It is thought to cause more than 7000 deaths each year from lung cancer.
<u>TREATMENT OF LUNG CANCER :</u>
- Surgery
- Chemotherapy
- Radiation Therapy
- Targeted Therapy
- Combination of these treatments