B3 - Function of the urinary system

Question 1

what does the urinary system consist of ?

Answer 1

the urinary system consists of the kidneys, ureters, bladder and the urethra

Question 2

what is the structure of the urinary system ?

Answer 2

the urinary bladder is a hollow muscular organ that collects urine from the kidneys before disposal by urination

Question 3

what is the function of the urinary system ?

Answer 3

the urine enters the bladder through the ureter and urine leaves the bladder via the urethra

Question 4

what are the two types of blood vessels attached to the kidneys ?

Answer 4

the renal arteries + renal veins

Question 5

what do the renal arteries do ?

Answer 5

the renal arteries deliver an oxygen rich blood supply to the cells in each kidney

Question 6

what is the function of the renal veins ?

Answer 6

once the blood has been processed it leaves the kidneys via the renal veins and is transported to the vena cava back into to the heart

Question 7

what are the two main functions of the kidneys in the excretory system ?

Answer 7

Excretion and osmoregulation

Question 8

what is the function of excretion ?

Answer 8

the removal from the body of toxic waste products made in the cells during metabolism

Question 9

what is the function of osmoregulation ?

Answer 9

the control of the body water by adjusting the solute concentration of the cells. this ensures the cells do not burst or shrink (which would affect the cell reactions)