The test of natural science chapter 1

Choose the correct answer.
1. We breathe breathe. , , ,
     a. oxygen
     b. carbon dioxide
     c. hemoglobin
    d. water vapor
2. The nose is a respiratory functioning. , , ,
    a. as the air filtration
    b. as the exit and entry of air
    c. for the respiratory airways
   d. to absorb oxygen
3. The nose hair and mucous membranes useful for ..
   a. filtering incoming air
   b. binding oxygen
   c. wetting the base of the throat
   d. excreting
4. The branches of the bronchi called. , , ,
    a. bronchioles
    b. Faring
    c. trachea
   d. lungs
5. The end of the bronchioles which is a thin-walled sac called. , , ,
    a. bronchi
    b. trachea
    c. Alveolar
    d. trachea
6. Exchange of breathing air in humans takes place inside. , , ,
    a. bronchioles
    c. bronchi
    b. Alveolar
   d. trachea
7. As you inhale, air enters the nasal cavity and then headed. , , ,
   a. esophagus - the bronchi - bronchioles - alveoli
   b. throat - branch windpipe - alveolar
   c. branch of the trachea - esophageal - alveolar
   d. esophagus - the branch of the esophagus - alveolar
8. The following sentence correct statement is
    a. Air out so that the chest cavity expands.
    b. So that air entering the chest cavity deflate.
    c. Diaphragm relaxes so that the intake air.
    d. Antartulang rib muscle relaxes so that air out.
9. In the event of respiratory gas exchange occurs anyway. , , ,
   a. Hb bound oxygen to be circulated to all body cells
   b. Carbon dioxide is bound Hb untukdi circulate throughout the body
   c. oxygen is released by Hb to be removed from the body
   d. carbon dioxide bound by Hb to be removed from the body
10. Respiratory disorders that can be caused by polluted air that is. , , ,
    a. bronchitis
    c. asthma
    b. TBC
    d. influenza
11. Respiratory disorders are caused by a virus, ie. , , ,
     a. asthma
     b. polyp
     c. influenza
     d. hard to breathe
12. One way of maintaining the health of a respirator that is. , , ,
      a. stay in air-conditioned environment
      b. exercise regularly
      c. live in cold regions
     d. covered her mouth
13. Fish breathe use. , , ,
    a. lung 
    c. gill
    b. trachea 
    d. skin
14. The exchange of air breathing in fish lies on. , , ,
    a. gill cover
    b. sheets gill
    c. leaves the gills
    d. mouth
15. Worms breathe use. , , ,
    a. lungs
    c. gill
    b. trachea
   d. skin