A person can only go 3 to 4 minutes without oxygen before they areconsidered brain dead. After 5-6 minutes more without oxygen, a person dies.Know More
As soon as the body starts being deprived of oxygen, major organs become affected. Within minutes, the heart and liver can become too damaged too recover from the lack of oxygen. After 20 minutes, the kidneys can begin to fail.
When a person becomes deprived of oxygen, it is vital for CPR to be performed. Many conditions can cause a person to lack oxygen, such as a stroke, drug overdose, excessive bleeding and heart failure.Learn more in Organs
The main function of the heart is to pump blood to the lungs to be saturated with oxygen, and then pump it out into the body to supply the cells with oxygen. The heart, along with the blood vessels, make up the cardiovascular system.Full Answer >
The respiratory system supplies the body with oxygen, which provides energy to the cells. Another important function of the respiratory system is to remove carbon dioxide from the blood stream.Full Answer >
The respiratory system's structured pathways enable breathing by carrying oxygen to the lungs and filtering out harmful substances, explains WebMD. Respiratory organs also expel carbon dioxide from the body and transport oxygen to the bloodstream so it can be delivered to the cardiac system and cell tissue.Full Answer >
Bronchioles are tiny airways that carry oxygen to alveoli, or air sacs, in the lungs and help stabilize breathing in the respiratory system, according to About.com. Bronchioles are lined with smooth muscular walls that constrict or expand to regulate airflow and prevent irritants from passing further along the respiratory tract.Full Answer >