Hydrogen Cyanide is an example of a blood agent.
Cell membrane of a cell is responsible for the substances
that goes in and out of the cell’s cytoplasm and organelles. It is transports
different materials externally to internally and vice-verse. Hence the cell
membrane is like
<span><span>1. </span>The wall,
window and door of a house.</span>
<span><span>2. </span>The
security guard of a certain bank</span>
<span><span>3. </span>Or the
military sector of a country.</span>
Like these three real-life examples, they regulate and
control the flow of certain entities from outside to inside and vice-versa.