Which of these systems enable oxygen to reach an individual cell in the human body? a- higestive. b- circulatory c- nervous d- excretory

The correct answer is option  B- circulatory.

Explanation:

The circulatory system is what guarantees that all the cells found in our body survive.

This is done through a single cell that will carry oxygen and other nutrients so that it diffuses to the other cells so that they can survive.

This cell will eliminate the oxygen molecules and nutrients that will be used by the rest of the cells.

Given this information we can say that the correct answer is the option B.

answer: proteins

explanation: complement is   system of circulate in the blood in a inactive form

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i wish it got that cold here ): im in florida and i've never even seen snow, it never feels like a real holiday. i hope you have a good one with your family !