Answer:
A patent ductus arteriosus permits <u>blood to flow from the aorta into the pulmonary trunk
</u>
Explanation:
Ductus arteriosus is an important part of foetal ciculation and acts as a shunt between pulmonary trunk and aorta allowing the deoxygenated blood to bypass the lungs and aorta. It normal fuses at birth ( 72 hours after birth)
If the ductus arteriosus fails to collapse at birth, a patent vascular channels forms connecting the pulmonary trunk an aorta shunting the blood from left to right allowing the oxygenated blood to pass back through the blood vessels in lungs.
Answer:
Can't answer
Explanation:
That question is for you to answer. Nobody can answer it for you because nobody can read your mind.
C. Being pessimistic is not something that will keep your stress positive.
Explanation:
An S corporation must adopt a calendar year as its tax year unless it can establish a business purpose for having a fiscal year. Stock ownership restrictions. An S corporation can have only one class of stock, although it can have both voting and non-voting shares.
<span>Answer to your quesiton is C.Stimulant. stimulants increase activity of the body, they can be pleasurable and invigorating, also they can produce physcological affects on the sympathetic nervous system. many drugs are stimulants. so answer to your question is Nicotine is a stimulant that speeds up neural activity by increasing the body's production of epinephrine</span>
