* Circle the letter that stands before most correct answers: (1 questions correctly to reach 0.25 "point)
verse 1: the growth and division of cells how to work with the human body?
a. bodies grow and reproduce. b. bodies react to stimuli.
c. produce energy for the body. d. both a, b and c are correct,
v. 2:spine joints of any kind of joints?
a. joint estate. b. joint action.
c. joint sales activities. d. a different kind of match.
v. 3: nitrogen oxides nox harm to the respiratory tract?
a. paralyzes cilia layer of bronchitis, lung cancer.
b. inflames the lining, reducing the efficiency of gas exchange.
c. displaces oxygen in the blood, reduced respiratory efficiency.
d.cause asthma.
verse 4: the stomach, the following substances are metabolized?
a. starch, lipid, protenin, vitamins. b. vitamins, carbohydrates.
c. lipid, protein, glycerol. d. protein.
verse 5: Which of the following adverse effects harmful to the digestive system?
a. Eating improperly. b. worms morning.
c. toxic substances in food. d. the a, b and c are correct.
verse 6:Which of the following measures to help train your respiratory system?
a. Wear a dust mask. b. deep breathing, reduced breathing.
c. planting more trees. d. the a, b and c are correct.
verse 7: supplied body O2 and CO2 removal due to any process?
a. digestion. b. respiration.
c. excretion. d.
reflective verse 8: Which of the following behaviors are reflexes?
a.tongue touching the food gastric gastric secretion.
b. virgin touched the leaves shrink.
c. met immediately narrowed his eyes glare.
d. the a, b and c are wrong.
ii. essay: (8 points)
verse 9: presenting the path of blood circulation in the second round. (3diem)
verse 10: presentation composition and digestive process of the small intestine. (3 points)
verse 11:compare the similarities and differences between veins and arteries (2 points) 12
question: why in the home very brittle and brittle bones (1 point)
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