Intravenous injection.
it releases aids into your blood stream if you take it too much
it releases chemicals into the blood stream which calms the infants
They are ductless so they secrete chemicals directly into the blood stream.
Caffeine and alcohol enter directly from the stomach.
No because endocrine glands are ductless. This means it travels directly from gland to blood stream.
Yes you can there is no way the chemical can get into your blood stream.
It's placed under the skin and releases a steady dose of hormones into the blood-stream to prevent ovulation.
It's placed under the skin and releases a steady dose of hormones into the blood-stream to prevent ovulation.
Endocrine glands secrete chemicals called hormones directly into the bloodstream, influencing the activity of the muscles and organs.
No it is not connected directly but you are getting oxigen that travels in blood stream from your lungs to brain.
No, it is not unless you have a cut on your hand and you are directly putting the ink into your blood stream.
the chemical still is in your body, it will show up both places.