George is a large animal veterinarian who works in a zoo. He needs to manage a zebra with an infectious disease. What should he do? ОА.
Stay close to it till it is cured.
OB.
Let it free only at night.
Ос. .
Keep it in quarantine.
OD.
Give it medicines and let it free.
OE.
Let it roam freely until it is cured.

he needs to keep it in quarantine and treat it so it doesn't get the other animals infected with anything.

Explanation:

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blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.