▪ component urinary organs: kidneys micturition organs: ureter, bladder and urethra ▪ function ✓ discharge metabolite ✓ regulate the balance of water and electrolyte ✓ endocrine function: renin, erythropoietin, prostaglandin
2.5 Indices of crystal planes and directions I What's crystal planes anddirect ions? The atomic planes anddirections passing through the crystal arecalled(crystal) planes and directionsrespectively