Urinary system

Question 1

Kidneys

Answer 1

• found on each side of the vertebral column
• right kidney is lower than left because of the liver
• considered
• retroperitoneal
  -controls blood by blood ion composition (na, cl, ca, etc)
  controls blood pH regulation of H and HCO
  removes waste from the blood (urea, uric acid)

Question 2

Renal blood supply

Answer 2

one forth of systemic cardiac output flows through the kidneys each minute

arterial flow into and venous flow out of the kidneys

entire blood volume of the body is filters by the kidneys around 60x per day

Question 3

ureters

Answer 3

transports urine (using peristalsis) from the kidneys to the bladder

Question 4

urinary bladder

Answer 4

muscular organ which provides a temporary storage reservoir for urine; found in pelvic cavity

Question 5

urethra

Answer 5

transports urine from the bladder out of the body; longer in males

Question 6

nephron

Answer 6

the nephron is the function unit of the kidney

each kidney contains around 1 million nephrons

nephrons consists of a tubular and vascular component