Using bullet points or a short paragraph, describe the process of gas exchange in the lungs, including the section of the circulatory system that pertains to respiration. Begin with fresh air entering from the now and mouth. The following terms should be included in your explanation: your description
trachea
alveoll
bronchi
capillaries
veins
arteries
atrium
ventricle
oxygen
carbon dioxide​

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.