The aveolus is surrounded by capillaries. So capillaries carry deoxygenated blood to the alveolus where the oxygen from the alveolus diffuses into the blood in the capillaries. The deoxygenated blood is now oxygenated and is carried out of the lung via capillaries that then merge into the pulmonary vein.
In other words, alveolus does not have oxygenated blood it just puts oxygen into the deoxygenated blood hat this brought in.
Answer:
Driver
Explanation:
You can't tell if the car is moving by looking at the driver as they are in the car with you
Answer:
The miRNA pathway of RNA interference is a result of double standed DNA entering a eukaryotic cell
Explanation:
<em>Cone-Bearing Plants</em> also known as <em>Conifers, </em>are classified as Gymnosperms