Is blood a tissue?

Technically, blood is a transport liquid pumped by the heart (or an equivalent structure) to all parts of the body, after which it is returned to the heart to repeat the process. Blood is both a tissue and a fluid. It is a tissue because it is a collection of similar specialized cells that serve particular functions. read more

MedlinePlus states that blood is living tissue comprising both liquid and solids. The liquid, plasma, consists of protein, salts and water, while the solids the blood contains are platelets and red and white blood cells. The majority of the blood in the human body is plasma. read more

Blood Tissue - Anatomy & physiology revision about the structure and functions of human tissue types. Blood tissues are located inside the blood vessels and also within the chambers of the heart. Some white blood cells are also found in other types of body tissues e.g. lymphocytes are also in the lymphatic system. read more

Blood is an important body fluid that delivers the necessary nutrients to the cells in our body. Nutrients such as oxygen and the likes are transported all throughout the different part of the body through the blood vessels (composed of arteries, arterioles, capillaries, venules and veins). read more