Blood turns red when we start bleeding because the chemical composition of our blood changes when it reaches the air. This is known as oxidation, and no, it is probably not okay if your blood doesn't turn red once it reaches the outside of your body.
Answer: Red blood cells, also referred to as red cells, red blood corpuscles, haematids, erythroid cells or erythrocytes, are the most common type of blood cell and the vertebrate's principal means of delivering oxygen to the body tissues—via blood flow through the circulatory system.
Explanation:
Some times the equipment is broken or doesn’t work as good as you like
When a cell is "at rest" it is in a state called the resting potential. In this state, neurons are more negatively charged ions inside the cell than outside the cell.
