A basic review of the anatomy, physiology and personal protective equipment related to the respiratory system.

Most people associate smoking and vaping with lung damage, but did you know it’s also very bad for your circulatory system? In fact, smoking is so bad for your circulatory system, some surgeons will ...

The five vital organs in the human body are the brain, heart, lungs, kidneys, and liver. Other organs include the gallbladder, pancreas, and stomach. Organ systems, such as the nervous system ...

The circulatory system consists of one heart, five liters of blood, and approximately 96,000 kilometers of blood vessels, responsible for transporting nutrients and waste throughout the body.

Similar to the human circulatory system or lungs, the fruit fly's tracheal system consists of a network of tubes. During the embryonic development of these insects, this network of tubes is filled ...

Learn about the circulatory system with these interactive learning resources for KS2 Science students aged 7-11 from BBC Bitesize. BBC Homepage. ... Your lungs also work harder, ...

Your body's circulatory system is a wondrous thing. It's made up of blood vessels that carry blood to and from your heart and also pumps blood to your lungs so you can breathe. It helps grow and ...

Learn about the circulatory system with these interactive learning resources for KS2 Science students aged 7-11 from BBC ... The right side of the heart first pumps blood to the lungs. Here, ...