1 . kidney
In the body there is a pair of kidneys located on the right and the left adjacent to the lumbar bones . Kidney as pea shape with a length of approximately 10 cm .
Read the renal excretion of the body as a tool more in the following article :
Kidney structure
Urine Formation Process
Disorders , kidney disorders & Therapy
Keeping and Maintaining kidney health
2 . skin
Skin is the outermost part of the body . Thus , the skin serves to protect the body from physical damage such as friction , heat , or chemicals . Leather also keeps the body in order not to lose a lot of water , which is the regulating body temperature . In addition , the skin also always receive mechanical stimuli from outside the body . This causes the skin cells are constantly updating because every day millions of damaged skin cells . In addition to the above matters , the skin has an important role in excreting substances in the form of sweat .
Read about skin as a body excretion more in the following article :
Skin structures and their functions
Skin disorders and abnormalities on
Skin Care & Babysitting Health
3 . Lungs
Lungs than act as respiratory organs also play a role as an organ of excretion ( Figure 8.9 ) . This is because CO2 gas and water vapor ( H2O ) results of blood-borne metabolic processes of the body's tissues to the lungs and then expelled from the body at the time of expiration . CO2 about 75 % of the body's tissues are transported in the blood plasma ions form HCO3 - ( bicarbonate acid ) and the remaining approximately 25 % is bound to hemoglobin ( Hb ) to form compounds HbCO2 ( carboxyhemoglobin ) . Try to remember back to the material in the chapter lungs Respiratory System in Man and Animals .
lung as an organ of excretion
4 . heart
The liver is the largest gland in the body , weighing about 1.5 kg , or about 3-5 % of body weight . Liver obtained from arterial blood and portal vein hepatica hepatica . Blood is transported by the hepatic artery by 30 % of the total amount of blood in the heart . The blood comes from the branching off the aorta so that oxygen-rich . Meanwhile , the blood is transported hepatic portal vein by 70 % of the total amount of blood in the heart . The blood transports substances lot of nutrients from the small intestine . At this organ there is only one kind of vessels that carry blood out of the heart , namely vein hepatica . Note Figure 8.10 .
the liver as an organ of excretion tool
In addition to the blood vessels , the liver is also equipped with a bile duct that transports bile production from the liver to the duodenum .
0 komentar:
Post a Comment