Human Body

The kidneys also sense the amount of oxygen in the blood. If they aren't getting enough oxygen, they will make a hormone that sends a signal to your body to make more red blood cells, which are the cells in blood that carry oxygen.

rate this fact


report this fact


by TimeWasters, LLC:
7,828 interesting facts by Facts&Co
180,527 famous quotes by Quotes&Co
62,947 proverbs from all over the world by Proverbs&Co

Traffic analysis by Web-Stat