This is an example of a substitution mutation. Substitution means changing a base pair in a codon, with another base pair. For example, in this case, Thymine was replaced with Adenine. In Deletion, insertion, and copying, a change in the base pair occurs due to deletion, addition or copying of base pair itself.
Because depending on weather or not there is oxygen in the blood the flow and speed will be different from the heart because its coming from the direct source
Answer:
Ventlation or breathing, is the movement of air through the conducting passage between the atmosphere and the the lungs. The air moves through passeng because of pressure gradients that are produced by contraction of the diaphragm and thoracic muscles.