Excretory System

Question 1

whats excretion

Answer 1

the process of getting rid of metabolic waste

Question 2

what are the 4 main excretory organs

Answer 2

lungs, skin, anus, kidneys

Question 3

what does the kidney do

Answer 3

remove waste and excrete it in a concentrated form with as little water as possible

Question 4

what are some of the things that the kidney is involved in

Answer 4

filter the blood, water balance, excrete toxins, regulate the acid and base balance in the body

Question 5

what are the components of urine

Answer 5

urea, water, salt, uric acid

Question 6

whats urea

Answer 6

deamination of amino acids in liver

Question 7

whats uric acid

Answer 7

breakdown of nucleic acids

Question 8

what are the 6 main structures involved with the kidney

Answer 8

renal artery, renal vein, ureters, urinary bladder, adrenal gland, urethra

Question 9

what is the renal artery

Answer 9

blood vessel that carries wastes and blood to the kidney from the aorta

Question 10

what is the renal vein

Answer 10

blood vessel that carries filtered blood from the kidney back to the vena cava where it is returned to the heart

Question 11

what are the ureters

Answer 11

thin tubes that carry urine from the kidney to the bladder through peristalsis

Question 12

whats the urinary bladder

Answer 12

hollow storage organ in the pelvic cavity behind the pubic bone

Question 13

whats the adrenal glad

Answer 13

endocrine gland involved in hormonal secretion that sits on top of the kidneys

Question 14

what is the urethra

Answer 14

tube that carries urine from the urinary bladder to the outside of the body. in males it also carries sperm

Question 15

what are the 3 main areas of the kidney

Answer 15

cortex, medulla, pelvis

Question 16

whats the renal cortaz and what does it contain

Answer 16

the outer layer of the kidneys that contains 5 nephrons and a vast capillary network

Question 17

what’s the renal medulla and what is it made up of

Answer 17

inner layer of the kidney made of capillaries and the small tubes of the nephrons

Question 18

what’s the renal pelvis

Answer 18

basin like cavity in the centret of the kidney that is continuous with the ureter

Question 19

whats cystitis

Answer 19

inflammation of the urinary bladder

Question 20

whats dysuria

Answer 20

painful urination

Question 21

whats hematuria

Answer 21

blood in urine

Question 22

whats nocturia

Answer 22

night urination

Question 23

whats polyuria

Answer 23

excessive urine output

Question 24

whats urethritis

Answer 24

inflamation of hte urethra

Question 25

what’s oliguria

Answer 25

diminished quality of urine