BLOOD
* Blood is a body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells.
* Blood is circulated around the body through blood vessels by the pumping action of the heart.
* In animals with lungs, arterial blood carries oxygen from inhaled air to the tissues of the body, and venous blood carries carbon dioxide, a waste product of metabolism produced by cells, from the tissues to the lungs to be exhaled.
FUNCTIONS
*Supply of oxygen to tissues.
* Supply of nutrients such as glucose, amino acids, and fatty acids.
* Removal of waste such as carbon dioxide, urea, and lactic acid.
* Immunological functions, including circulation of white blood cells, and detection of foreign material by antibodies.
* Coagulation, the response to a broken blood vessel, the conversion of blood from a liquid to a semisolid gel to stop bleeding.
* Messenger functions, including the transport of hormones and the signaling of tissue damage.
* Regulation of core body temperature.
* Hydraulic functions.
* Blood is a body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells.
* Blood is circulated around the body through blood vessels by the pumping action of the heart.
* In animals with lungs, arterial blood carries oxygen from inhaled air to the tissues of the body, and venous blood carries carbon dioxide, a waste product of metabolism produced by cells, from the tissues to the lungs to be exhaled.
FUNCTIONS
*Supply of oxygen to tissues.
* Supply of nutrients such as glucose, amino acids, and fatty acids.
* Removal of waste such as carbon dioxide, urea, and lactic acid.
* Immunological functions, including circulation of white blood cells, and detection of foreign material by antibodies.
* Coagulation, the response to a broken blood vessel, the conversion of blood from a liquid to a semisolid gel to stop bleeding.
* Messenger functions, including the transport of hormones and the signaling of tissue damage.
* Regulation of core body temperature.
* Hydraulic functions.
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