Red blood cell Carry oxygen. Contain haemoglobin (rich in iron) to carry oxygen. Biconcave shape to provide a large surface area for the diffusion of oxygen. No nucleus to provide more space for ...

Maintaining good circulation is vital for overall health and well-being. Every day, your heart tirelessly pumps blood through ...

Vaping, often touted as a safer alternative to traditional smoking, may have more immediate and severe impacts on the body’s ...

Locate each of the paired and unpaired branches from the dorsal aorta, using Figure 5.4, pages 58 - 60. Keep function and integration of circulatory system in mind as you locate organs.

This short film offers a look at respiration and a tour around the circulatory system and digestive system ... focusing on two key functions of the skin - protecting the body from pathogens ...