<span>There are 11 pairs. Intercostal muscles are a few gatherings of muscles that keep running between the ribs, and help shape and move the chest divider. The intercostal muscles are essentially associated with the mechanical part of relaxing. These muscles help extend and contract the measure of the chest cavity to encourage relaxing.</span>
Jayden, you didn’t put the diagram so we can’t help. 。゚(゚´Д`゚)゚。
Answer:
Enlargement of the thyroid gland is called
Goitre .
Answer:
Ozone layer saves the earth from the ultraviolet rays of sun which is harmful for earth. It is situated jn upper atmosphere and saves earth. But thus chlorofluorocarbons destroys the Ozone Layer in the atmosphere.
The tumor suppressors allele is analogous to the brake pedal in a vehicle while cyclins are like the gas pedal. The tumor supressors regulate, negatively, the replication of cells. If the tumor supressor is mutated, this is analogous to the brake pedals of the vehicle being broken, This means that if two are broken, then the vehicle will be unable to stop and will continue moving. This same way, if tumor suppressors are mutated, the replication of cells will continue unregulated and casue a tumor.