Chemical factors: This is due to internal stimuli. Changes in the blood such as decrease in O2, increase in CO2 and decrease in PH cause impulse in the carotid artery which stimulates the respiratory centers in the medulla and cause breathing.
Mechanical factors: also called external stimuli. Compression of the fetal chest during delivery forces small amount of lung fluid out of the lungs. This increase in pressure in the chest draws air into the lungs.
Answer: We all need them so we don't end up like asexual beings CLONES.
Explanation:
Answer:
(3) declare independence from England
Explanation:
Thomas Paine wrote the book <em>Common Sense</em> which was about why the colonies should declare independence from England. Interestingly, the book was not published until <em>after </em> the start of the Revolutionary War.
Answer:
Glucose and ATP are organic compounds composed of carbon, hydrogen and oxygen. Cellular respiration breaks down glucose into water and carbon dioxide producing 38 net ATP molecules. ATP is the energy containing nucleotide in cells while the energy found in glucose is used to make ATP
The answer is C jsjsnanjansb
