Blood
Videos
Blood is a body fluid in the circulatory system of humans and other vertebrates that delivers necessary substances such as nutrients and oxygen to the cells of the body, and transports metabolic waste
Venous (darker) and arterial (brighter) blood in syringes.
Two tubes of EDTA-anticoagulated blood. Left tube: after standing, the RBCs have settled at the bottom of the tube. Right tube: Freshly drawn blood
A scanning electron microscope (SEM) image of a normal red blood cell (left), a platelet (middle), and a white blood cell (right)
Vertebrate red blood cell types, measurements in micrometers
Pulmonary artery
Videos
A pulmonary artery is an artery in the pulmonary circulation that carries deoxygenated blood from the right side of the heart to the lungs. The largest pulmonary artery is the main pulmonary artery or
Volume rendering of a high resolution CT scan of the thorax. The anterior thoracic wall, the airways and the pulmonary vessels anterior to the root of the lung have been digitally removed to visualize the different levels of the pulmonary circulation.
(made in (1883)) Anatomy of the horse, with other arteries: spermatic artery (21), next to (posterior) vena cava, venae portae, External iliac artery, and the mesenteric vessels, Internal iliac and renal arteries labeled. The pulmonary artery and pulmonary veins are labelled (4) and (5), respectively.
Pulmonary artery
Pulmonary artery.Deep dissection.Anterior view.