The major organ of the circulatory system, the heart

Group of answer choices

1:transmits impulses throughout the body.

2:carries oxygen throughout the body.

3:removes bodily waste.

4:pumps blood throughout the body.

c

explanation:

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds