Unit Test

Question 22 of 24 • 25-26 Summer - Humble ISD CR - Biology B - 3rd Nine Weeks

Which describes how blood can be protective in nature?

Answer

by forming a protective layer within blood vessels

by carrying cells that defend the body from foreign materials

by secreting oil that destroys foreign materials

by producing acid that kills foreign materials

QuizMultiple Choice

Question 22 of 24 • 25-26 Summer - Humble ISD CR - Biology B - 3rd Nine Weeks

Answer

by forming a protective layer within blood vessels

by carrying cells that defend the body from foreign materials

by secreting oil that destroys foreign materials

by producing acid that kills foreign materials