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Biologia : Sistema Circulatório



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1.

Which of the following is true?

  Platelets contain many nuclei.

  Platelets contain single nucleus.

  Platelets contain an ill-defined nucleus.

  Platelets do not contain nucleus.

Dica      

2.

Identify the blood vessel ‘A’ in this diagram.
heart

  Inferior vena cava

  Pulmonary artery

  Aorta

  Carotid artery

3.

Bleeding time is prolonged in hemophilia.

  True

  False

4.

Identify the blood vessel ‘D’ in this diagram.
heart

  Superior vena cava

  Inferior vena cava

  Pulmonary Trunk

  Aorta

5.

Deficiency of hemoglobin is known as anemia.

  True

  False


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