Which organ of the human body passes nutrients from food to the blood?

The walls of the small intestine absorb the digested nutrients into the bloodstream :)

Explanation:

to protect the united states' role as a world leader, president truman wanted to prevent the soviet union from spreading communism beyond its post-world war ii boundaries. he declared that the united states must assist any nations struggling to prevent a communist takeover.

the answer for 3 is b and the answer for 4 is d