What are the changes that take place shortly after birth

Once the baby takes the first breath, a number of changes occur in the infant's lungs and circulatory system: Increased oxygen in the lungs causes a decrease in blood flow resistance to the lungs. Blood flow resistance of the baby's blood vessels also increases. Fluid drains or is absorbed from the respiratory system.

- "a nonrestrictive clause functions as a modifier to a noun (that is an object, person or concept). these clauses can be described by the following three options: it is set off by comas, it contains a subject and a verbs and it adds nonessential information to the sentence.

for example, in "here is bill gates, who confounded microsoft software company" we can identify "who confounded microsoft software company" as a nonrestrictive clause modifying the noun bill gates. this clause can be describes as a nonrestrictive clause because it is separated by a comma, it adds nonessential information to identify who bill gates is and it must contain both a subject (who) and a verb (confounded)."