Well because when ur eyes are open for a while the eye gets used to it so when u close it it hurts
Answer:
The most likely to happen if an athlete breaks his arm and must wear a cast and not use that arm for six weeks'Muscles in the injured arm will get smaller because they are not being used.'
Explanation:
So therefore when an arm is broken it is only the bone that is broken the muscle remains intact but use of the arm within that period is what will determine the increase or decrease of muscle strength.
since by the statement above we have been able to establish the fact that the arm is not being used then we can conclude that strength of the muscle will decrease.
Genetic disorders can be caused by a mutation in one gene (monogenic disorder), by mutations in multiple genes (multifactorial inheritance disorder), by a combination of gene mutations and environmental factors, or by damage to chromosomes
