The urinary system Flashcards
Why is the name the excretory system inaccurate ?
because excretion takes place in many parts of the body
What is the function of the diaphragm ?
Layer separating your chest from your abdomen
What is the function of the Adrenal gland ?
To produce adrenaline for “ fight or flight “
Function of the kidneys
To filter blood
Regulate the amount of urine produced
Function of the renal arteries ?
Carry blood to the kidneys
Function of the renal veins ?
Carry blood from the kidneys to the heart
Function of the ureter ?
Tube connecting the kidneys to the bladder
Function of the urinary bladder ?
Muscular bay
Function of the urethra ?
:The urethra is the tube that carries urine from the bladder to outside of the body.
In males, it has the additional function of ejaculating semen when the man reaches orgasm.
Where does urea come from ?
Urea is an organic, waste compound produced by the body after metabolising protein.
The liver breaks the proteins down in a process that produces urea
Why must the urea be removed ?
Waste products must be removed from the body. If they are not, they will increase in concentration and may interfere with chemical reactions or damage cells.
What is osmoregulation ?
The mechanism used by the body to control water potential of the body
What are the steps of osmoregulation ?
Ultra - filtration
Selective reabsorption
What is Ultra - flirtation ?
Substances are squeezed out of the glamorous
What does ADH stand for ?
Antidiuretic hormone
