The left-hand side of the heart collects oxygenated blood from the heart and pumps it round the body. This is called systemic circulation. Oxygenated blood is carried to the heart from the lungs ...

Veins between two capillary networks are portal systems. Closed circulatory system, but fluid constituents of blood leak out of capillaries and return to the heart by the second component of the ...

This system is perfect for mammals who need to circulate lots of oxygen in order to keep up their active lifestyles. Fish have a circulatory systems with just one circuit. Their hearts pump oxygen ...

A group of Japanese researchers from the University of Tokyo has made a "breakthrough" in lab-grown meat production.

Aminoacyl tRNA synthetases picked up new protein domains that participate in vasculature formation around the same time that organisms evolved key adaptations in the circulatory system. Amber Dance is ...

Ochsner Health and STEM NOLA are teaming up to present a hands-on learning experience for kids focused on the heart and circulatory system ... of the most important systems in the human body.