That would be D. Isovolumic contraction
As the name states during ISOvolumic contraction the volume of the ventricles doesn’t change and stays the same so no blood enters or leaves the ventricles. The thing that changes is the pressure of the ventricles that increases.
I can explain the process more if u want in the comments:)
<u><em>Answer:</em></u>
<u><em>The correct option is </em></u><u><em>A</em></u>
Explanation:
The main adaptation of desert plants is to minimize water loss through their pores and also through the cell walls on their leaves. So the leaves of many desert plants have a thick covering that is coated with a waxy substance that allows them to seal in and protect what moisture they already have.
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The pulmonary vein brings the oxygenated (clean) blood to the left atrium.
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