the test of natural science chapter 3

Choose the best answer.
1. What happens when part of the room right and left heart to contract,
    a. blood enters the foyer
    b. blood enters the chamber
    c. the blood out of the heart
    d. blood out of the lungs
2. vessels called veins greatest. , , ,
    a. Venous
    b. Aortic
    c. artery
    d. capillary
3. Blood is pumped to the lungs contain much. , , ,
    a. oxygen
    b. carbon dioxide
    c. water
    d. food juices
4. The pulse of people after running more than after walking due. , , ,
    a. lungs work hard
    b. Lung rest
    c. heart work hard
    d. the heart does not work
5. Activities that produce the lowest pulse is. , , ,
   a. eat
   b. walk
   c. run
   d. sleep
6. The blood vessels that carry blood from the heart to the rest of the body is called. , , ,
    a. blood capillaries
    b. large vessels
    c. arteries
    d. veins
7. muscles making up the heart are called. , , ,
    a. miokardia 
    c. pericarditis
    b. pericardium 
    d. artery
8. The correct way to maintain healthy blood circulation tool is. , , ,
    a. eat a lot
    b. continuous exercise
    c. reduce fatty foods
    d. sleep in a long time
9. The veins on the right leg calf Pak Herlambang stand out. This situation is very different from the veins in his left foot. Pak possibility Herlambang experience. , , ,
   a. varicose veins
   b. hemorrhoids
   c. hemorrhoid
   d. pericarditis
10. Diseases of the circulatory system that is characterized by high blood pressure is called. , , ,
   a. varicose veins
   b. hemorrhoids
   c. hemorrhoid
   d. Hypertension