Read the passage.
excerpt from "Healing a Wounded Heart: Daniel Hale Williams" by William Orem
He found and repaired a torn blood vessel. He stitched up the pericardium, a fluid-filled bag that surrounds the heart. He carefully cleaned the wound and the chest cavity, to make sure that no infection set in.
Question
It could be inferred that the word cavity in the paragraph means "rotten part."
Select the word and phrase from the drop-down menus to correctly complete the sentence.
as best verified by the context clue
Choose...
making sure that no infection sets in
a fluid-filled bag that surrounds the heart
cleaned the wound and the chest
repaired a torn blood vessel
from the paragraph.