human excretory system

• excretory system

  A) aorta (red/down)

  B) vena cava (blue/up)

  C) kidney

  D) renal vein

  E) renal artery

  F) muscle

  G) urethra

  H) ureter

  I) bladder

  J) diaphragm

  
• blood enters the kidney through the renal artery
• blood leaves the kidney through the renal vein
• what is a ureter?

  a tube that carries urine from the kidney to the bladder
• what does the bladder store?

  urine
• what does the urethra do?

  carries urine from the bladder out of the body
• the kidneys regulate the water content of the blood (using ADH) and remove waste products (urea) from it
• what do the kidneys remove?

  urea, excess salts and water
• what is the solution of wastes?

  urine
• (urine) kidney -> ureter -> bladder -> stored until it can be eliminated from the body
• what is an example of homeostasis (that relies on negative feedback) in the human excretory system?

  kidneys regulating their water content
• kidney structure

  A) medulla

  B) cortex

  C) renal pelvis

  D) ureter

  E) renal vein

  F) renal artery

  
• nephron in cortex
• henle dips into medulla