Answer: That would be Viruses
Explanation:
It should most definitely be Virus, as a Virus needs a host and will genuinely be immune to what the human body throws at it. Unless it's a cure, the Virus will survive
Well its a little deeper than that. The oxygen transport is made through Hemoglobin (red blood cells) which is pumped from the heart
The answer is style, ovary and stigma.
The pistil is the female part of a flower, and it consists of the style, stigma and ovary. The male part of a flower is stamen, which consists of an anther and corolla.
Solar panels, windmills, hydro energy
