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Kidney's Role as Homeostasis - Coggle Diagram
Kidney's Role as Homeostasis
Regulate blood pressure
• When the blood pressure falls, decline in sodium concentration
• Juxtaglomerular cells produce an enzyme called renin.
• When the blood volume is less, renin release directly into the circulation which produces in the arterial cells of the kidneys.
• Angiotensin-2 plays vital role in vasoconstrictor of arterioles :
• Kidney regulates blood pressure with the help of the renin-angiotensin system.
• Macula densa is situated in the afferent arteriole is able to recognize sodium in the filtrate, and arterial cells (juxtaglomerular cells) assess the blood pressure.
• Renin transforms angiotensinogen into Angiotensin-1 then, converted to Angiotensin-2 with the help of an angiotensin-converting enzyme (ACE), in the lungs. Angiotensin-2 helps blood vessels to contract.
Produce Hormone
• Renin is also known as angiotensinogen’s.
• It is used to help produce angiotensin II ultimately assistances to increase blood pressure.
• Two hormones function in homeostasis
erythropoietin and renin
• Erythropoietin accelerates the production of red blood cells in the bone marrow. This hormone production happens when there is hypoxia in blood
Fluid Balance
• To maintain Homeostasis water intake and output should keep balanced in the body The kidneys is able to adjust the concentration of the urine in order to balance the body’s water needs, reserve water if the body is thirsty or making urine more dilute to excrete excess water when needed.
• ADH is a hormone that supports the body to preserve water by accumulates water and reabsorption by the kidneys.
Regulate electrolyte concentration
• Electrolytes are minerals which transport electric charge when they dissolve in blood.
• The blood electrolytes are sodium, potassium, chloride and bicarbonate aids to control nerve, muscle function, acid-base balance and water balance.
• Electrolyte move in and out in order to regulate the fluid level in the body
• Kidney filter out excess electrolyte and water from blood in to urine and reabsorb as per the need during urine formation process
• Kidney benefits to continue a steadiness between daily consumption and excretion of electrolyte and water in the body.
Excretion of wastes and toxins.
The kidneys filter out waste products and environmental toxins into the urine for excretion.
Maintain acid base balance
• Body’s Acid base balance is regulated the arterial blood pH between 7.38 and 7.42
• Renal physiology controls PH level and excrete excess acid or base through urine.
Alkaline – having a PH grater than 7, basic
Acidic – having a PH less than 7
• Secreting hydrogen ions into tubular fluid and reabsorbing bicarbonate ions from tubular fluid during filtration process in the nephron .
• The kidneys use the enzyme carbonic anhydrase to balance acid-base functions in the red blood cells