Homeostasis and Excretion Flashcards
1
Q
Homeostasis and Excretion
A
Homeostasis - Conditions are relatively constant
Excretion - Removal of waste products
2
Q
Main substances in Urine
A
Urea, Sodium chloride, Phosphate
3
Q
Urinary System
A
Renal Artery gives blood to kidneys & it is filtered
Filtered blood goes out the real vein to vena cava
Urine out through Ureters & stored in bladder
Tube bladder to urethra, wall sphincters, released
4
Q
Kidneys 5
A
Pelvis - Empty Urine into space
Ureter - Carries urine to bladder
Cortex - Outer Region
Nephrons/Kidney Tubules - Filtering Units
Tubules run down middle layer called medulla
5
Q
Nephron
A
Bowman Capsule- Surrounds Blood capillaries called glomerulus. Blood filtered.
Through Tubule high pressure. Filtered large molecules called ultrafiltration.
