I think they are all examples of minerals. They come in vitamin for though.
hope this helps!
For some reason I have a little bit of doubt that this is related to your schoolwork, however this is important to learn to not do so by mistake. This would take a few minutes of inhaling fumes and is a very painful way to die. Even if it doesn't kill you, exposure can lead to brain damage and chemical burns. 5-10 minutes of non ventilated inhaling.
Answer: Those parts is were all the oxygen is distributed through the human body, and so technically it can be considered the respiratory system.
Answer:
We can optimize our physical health by good physical fitness, diseases free adequate sleep and healthy diet.
It’s considered a Gene hope this helps you