Your circulatory system works all day, every day, to pump oxygen throughout your body. There are cardiovascular conditions that can impact this system. Your circulatory system, also known as your ...

The cardio-respiratory system works together to get oxygen to the working muscles and remove carbon dioxide from the body. During exercise the muscles need more oxygen in order to contract and they ...

Your circulatory system works all day, every day, to pump oxygen throughout your body. There are cardiovascular conditions that can impact this system. Your circulatory system, also known as your ...

Respiration is a series of reactions, but this summarises the overall process. Human muscle can respire anaerobically for short periods of time - even though the process is relatively inefficient, ...

What is the Respiratory System? The respiratory system comprises of all of those organs that are responsible for breathing or respiration. The functioning of the respiratory system is critical to your ...

Human beings like other land animals breathe though their nostrils in noses and with the help of lungs. A pair of lungs are located in the airtight thoracic cavity that is bounded by a convex muscular ...

The human heart is a finely-tuned instrument that serves the whole body. It is a muscular organ around the size of a closed fist, and it sits in the chest, slightly to the left of center. The heart ...

You have reached your maximum number of saved items. Remove items from your saved list to add more. The carbon dioxide breathed out is a by-product of the process of cell respiration, as is water. In ...