This short film offers a look at respiration and a tour around the circulatory system and digestive system in the human body, through blood vessels and into mitochondria. There is a detailed ...

Kiwi, a tiny fruit with a vivid green inside, is loaded with nutrients that can promote respiratory and cardiovascular health ...

The respiratory system exchanges the gases which are involved in respiration. The digestive system in humans ... we can absorb and use them. The circulatory system in humans – WJEC The ...