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Quiz on 1.3 Circulation, created by st m on 04/04/2016.

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1.3 Circulation

Question 1 of 15

1

Platelets are broken up bits of cells

Select one of the following:

  • True
  • False

Explanation

Question 2 of 15

1

Which of these following statements is incorrect

Select one of the following:

  • Cardiac muscles works continuously in response to signals from an area of the heart called pacemaker.

  • Oxygen is carried to cells as oxyhaemoglobin.

  • There are about 10 million red blood cells in one drop of blood.

  • The average-sized adult has 5 litres of blood.

Explanation

Question 3 of 15

2

Fill the blank spaces to complete the text.

A blood clot in the blood vessels of the heart can cause and .

Explanation

Question 4 of 15

1

A blood contains

Select one or more of the following:

  • Red blood cells

  • White blood cells

  • Platelets

  • Plasma

Explanation

Question 5 of 15

1

Plasma is a clear yellowish liquid found in the stomach which is 90% water and 10% dissolved materials.

Select one of the following:

  • True
  • False

Explanation

Question 6 of 15

1

Oxygenated blood means blood rich in oxygen

Select one of the following:

  • True
  • False

Explanation

Question 7 of 15

1

Three main phases of a heartbeat

Select one or more of the following:

  • The two atria contract, pushing blood down into the ventricles.

  • The heart muscle relaxes and the atria fill with blood.

  • The ventricles contract, forcing blood out of the heart to the body and lungs.

Explanation

Question 8 of 15

1

is a type of fat that is part of all animal cells. When cholesterol builds up in , blood flow to the heart muscles reduced. This also means that oxygen supply is reduced.

Drag and drop to complete the text.

    Cholesterol
    coronary arteries
    capillaries
    plasma
    Unsaturated fat

Explanation

Question 9 of 15

1

Fill the blank spaces to complete the text.

The heart has . Two of them collect blood from the and pump it round the body. The other two collect blood from the and pump it to the lungs.

Explanation

Question 10 of 15

1

There are three types of blood vessels

Select one or more of the following:

  • Capillaries

  • Arteries

  • Veins

  • Atria

Explanation

Question 11 of 15

1

carry blood back to the heart. carry blood away from the heart. are the finest of the blood vessel.

Drag and drop to complete the text.

    Veins
    Arteries
    Capillaries

Explanation

Question 12 of 15

1

Haemoglobin is a green pigment that gives the colour of plants

Select one of the following:

  • True
  • False

Explanation

Question 13 of 15

1

Fill the blank space to complete the text.

is a condition of lacking oxygen to the heart muscle.

Explanation

Question 14 of 15

1

Fill the blank space to complete the text.

There are only about 400 000 in a drop of blood.

Explanation

Question 15 of 15

1

Red blood cells, white blood cells and platelets are condensed in plasma.

Select one of the following:

  • True
  • False

Explanation

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