Of course blood is transported during sleep if it wasnt you would be dead the organs are still active just to a lesser extent and so still produce CO2 which must removed and require O2 to be supplied.
Oxygen in the blood is transported by hemoglobin.
The adrenal cortex gland pours the hormone in blood. In no time the hormone is transported via blood.
Oxygen is transported in the blood
Oxygen
blood only carries our nutrients. nutrients are transported by blood.
false... oxygen is primarily transported by Red blood cells
describe how carbon dioxide is transported in the blood
the blood is transported to all part of the body arteries when it is oxygenated in the lung (oxygenated/oxyhemoglobin blood).
glucose
blood cells
Kidney
Hormones are transported by blood.So there are hormones in blood.