a. Leucocytes

b. All the answers are wrong (incorrect).

c. Trombocytes.

d. Erytrocytes.

a. Distal tubule.

b. Loop of Henle.

c. All the anwers are wrong ( incorrect).

d. Glomerulus.

a. All the answers are wrong (incorrect).

b. Red blood cells.

c. White blood cells.

d. Platelets.

a. Capillaries.

b. Veins.

c. All the answers are right (correct).

d. Arteries.

a. The right ventricle relaxes.

b. All the answers are wrong ( incorrect).

c. The left atria contracts too.

d. The right ventricle contracts too.

a. Sends blood to the lungs by the pulmonary arteries.

b. Contains deoxygenated blood.

c. All the answers are right (correct)

d. Recieve blood from the right atria.

a. All the answers are wrong ( incorrect).

b. Have thick muscular walls and carry blood away from the heart.

c. Have thick muscular walls and carry blood to the heart.

d. Have thin muscular walls and carry blood to the heart.

a. Kidneys, ureters, bladder and urethra.

b. Urethra, ureters, bladder and kidneys.

c. Bladder, kidneys, urethra and ureters.

d. All the answers are wrong (incorrect).

a. Interstitial fluid.

b. Blood.

c. Lymph.

d. All the answers are wrong ( incorrect)

a. Liver.

b. All the answers are right (correct).

c. Kidneys.

d. Sweat glands.

a. Water balance.

b. Blood pH.

c. All the anwers are right ( correct)

d. Body temperature.

a. Platelets.

b. All the answers are wrong ( incorrect).

c. White blood cells.

d. Red blood cells.

a. Contains oxygenated blood.

b. Is connected with the superior and inferior cava veins .

c. All the answers are wrong ( incorrect).

d. Sends blood to the left ventricle.