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 ...

The heart is a muscular organ that pumps blood around your circulatory system. The circulatory system is the heart and all the blood vessels in the body which carry cells and substances to all its ...

Start with dorsal aorta, formed by 4 pairs of efferent branchial arteries. Within the pleuroperitoneal cavity, it gives off a series of abdominal branches. Locate each of the paired and unpaired ...

The conjoined twins from United States, Abby and Brittany Hensel, have two heads, two brains and two hearts but one ...

The circulatory system is a vital part of the body as it ... also known as the cardiovascular system – continues with its functions as the heart then sends oxygenated blood through arteries ...

Our circulatory system, a complex network of blood vessels ... When blood flows smoothly, our organs function optimally, skin appears healthier, energy levels rise, and cognitive performance ...