Answer:
The haploid gametes are formed by meiosis, a cellular process that involves two cell divisions and one round of DNA synthesis (i.e., four gametes with haploid DNA content). Subsequently, the gametes are fused during the fertilization to produce a diploid zygote. Finally, the zygote undergoes successive mitotic cell divisions where specific genes are expressed, this process enables the development of an embryo with different tissues and organs.
If you plan on going for a run during a high pollution advisory your body will require more o2 to be able to produce more energy to keep doing that activity and of all your breathing in is chemicals and co2 if will effect your lungs and heart with poison
(hope this helps)<span />
The primary stress hormone Cortisol increases the blood supply of sugar (glucose), enhances the use of glucose by your brain and increases the availability of tissue - repaired materials.
Answer:
world health organisation
Transportation laws <span>promoting safety precautions, such as the helmet law, lead to an increase in public health. Legislation on speed limits, drunk driving are a few of the most obvious examples. </span><span> Wearing a helmet, without question, reduces a rider's risk of injury. However, </span><span>Public education and </span>infrastructure upgrades<span>, protect riders considerably even before helmets come into the scene. </span>