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CHON. Digest Digest Absorption. Esophagus Stomach Duodenum Jejunum Ileum Large Intestines elimination. heart. Cells For energy. storage. IVC. aorta. blood. amonia. Amino acid. liver. Urea (waste). Kidneys filter blood Kidneys produce urine.
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CHON Digest Digest Absorption Esophagus Stomach Duodenum Jejunum Ileum Large Intestines elimination heart Cells For energy storage IVC aorta blood amonia Amino acid liver Urea (waste) Kidneys filter blood Kidneys produce urine Good substances are reabsorbed back into blood Kidney (urea) Excretion urine
Food Food-glucose & amino acids cell Wastes Excretion Excretory/Urinary Wastes Elimination Digestion
Urinary System Urinary System
Adrenal gland Kidney
Renal Artery Abdominal Aorta
Renal Vein Inferior Vena Cava
Ureter Urinary Bladder Urethra
12th rib Iliac crest Posterior view
The Nephron Efferent Arteriole 3 2 Glomerulus Afferent Arteriole 1 From Renal Artery
Bowman's Capsule Proximal Convoluted Tubule (PCT) Distal Convoluted Tubule (DCT) Descending limb Ascending limb LOOP OF HENLE
Peritubular Capillary To Renal Vein Collecting duct
Cortex Medulla
Renal pyramid Renal sinus (hollow chamber) Minor calyx Major calyx
Nephron (filtering unit)
1. Renal Cortex 2. Renal Medulla Fat 3. Renal Pelvis Renal capsule (skin) Hilum-depression that leads into sinus. Where blood, lymph & ureter enter
Pressure Filtration Peritubularcapillary Gomerulus In Bowman's capsule Small molecules: Water, glucose, amino acids, salts, urea, uric acid, creatinine
Selective Reabsorption H2O PCT Non-wastes: water, glucose, amino acids, salts
Tubular Secretion DCT Wastes: urea uric acid, amonia, creatinine, H+, 1. Large wastes enter tubule from blood 2. pH of blood is adjusted
Resorption of water Collecting duct Excretion Renal pelvis
Ureter Male Female Rugae Bladder Trigone-where 2 ureters& urethra meet Ureter orifice Bladder holds 1 pint
Urethral sphincter External sphincter Urogenital diaphragm Urethra-11/2 inches
Prostate gland Penis Urethra-8 inches
Drink little Into blood Drink lots Into blood Increased urination dehydration=symptoms of hangover Glomeruli 50% 50% kidney stone infections Incontinence
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