Fill in the blanks:
$(1)$ Hydrocarbon compounds are made from ........ and ........ .
$(2)$ ........ has a capacity to stop the flow of oxygen.
$(3)$ ........ is formed by attaching carbon monoxide with hemoglobin in blood.
$(1)$ Hydrocarbon compounds are made from ........ and ........ .
$(2)$ ........ has a capacity to stop the flow of oxygen.
$(3)$ ........ is formed by attaching carbon monoxide with hemoglobin in blood.
(N/A) $(1)$ Hydrogen and carbon.
$(2)$ Carbon monoxide $(CO)$.
$(3)$ Carboxyhemoglobin.
$(2)$ Carbon monoxide $(CO)$.
$(3)$ Carboxyhemoglobin.
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