The heart. Think of it as a four chambered pump.
The heart cannot produce enough blood to circulate the body. Caused by smoking or drinking
The person will die if the blood does not circulate. Blood is necessary to supply food and oxygen to the body.
veins
It takes about 1 minute for your blood to circulate throughout your body.
It takes about 20-30 seconds for blood to circulate through the body.
It takes about 20-30 seconds for blood to circulate through your body.
It takes about 20-30 seconds for blood to circulate throughout the body.
It takes about 20-30 seconds for blood to circulate throughout your body.
blood
It takes about 20 seconds for a blood cell to circulate throughout the body.
It takes about 1 minute for blood to fully circulate throughout the body.
It takes about 20-30 seconds for blood to circulate through the entire body.