Transportin The Body

Question 1

What is in our blood?

Answer 1

Plasma, white blood cells, red blood cells and platelets

Question 2

Plasma

Answer 2

Liquid part of blood
Transports dissolved chemicals like water, food, waste or salts
Plasma carries platelets and red/ white blood cells

Question 3

Red blooodcells

Answer 3

Made in bone marrow, red chemical called haemoglobin, carries oxygen

Question 4

White bloodcells

Answer 4

White blood cells fight infection, Some white blood cells surround
micro-organisms and destroy them and other white blood cells form proteins called antibodies. Antibodies help to destroy micro-organisms that have entered the body. Antibodies are very important in fighting infection.

Question 5

Platelets

Answer 5

help to form blood clots. In this way they help to prevent:
• Loss of blood, Micro-organisms entering the body.

Question 6

Arteries

Answer 6

Carry blood away from the heart

Question 7

Veins

Answer 7

Carry blood TO the heart

Question 8

Capperillaries

Answer 8

Tiny blood vessels. They are found between the arteries and veins
Thin walls

Question 9

Heart

Answer 9

The heart contracts in order to pump blood around our body in blood vessels. The force of this blood in an artery causes a pulse.

made of a special type of muscle called cardiac muscle. Cardiac muscle is very strong and does not tire easily. ‘Cardiac’ means anything related to the heart.

Question 10

Chambers of the heart

Answer 10

Right atrium
Left atrium
Right ventricles
Left ventricales

Question 11

Parts of the heart

Answer 11

Chambers (left ventricle, right atrium etc. )
Septum
Heart valves

Question 12

Right ventricle

Answer 12

The right ventricle pumps blood from the heart to the lungs. This is a reasonably short distance, and so the muscular walls of the right ventricle are fairly thin.

Question 13

Left ventricle

Answer 13

• The left ventricle pumps blood from the heart all around the body. This is a very long distance, and so the muscular walls of the left ventricle are very thick.

Question 14

Pulmonary vein

Answer 14

Most of the veins in the body carry blood low in oxygen. However, the pulmonary vein is an exception to this rule as it carries oxygen-rich blood.

Question 15

Pulmonary artery

Answer 15

• Most of the arteries in the body carry oxygen-rich blood.
However, the pulmonary artery is an exception to this rule as it carries blood low in oxygen.

Question 16

What is the pulse

Answer 16

When blood is pumped through the arteries, the pressure causes the arteries to expand.
This wave of pressure is called a pulse.

Question 17

What happens to blood in our lungs

Answer 17

Gains oxygen and loses CO2 and water

Question 18

What happens to blood in our intestines

Answer 18

Gains food water and carbon dioxide, loses oxygen

Question 19

What happens to blood in our head and arms

Answer 19

Gains CO2 and water, loses food and O2

Question 20

What happens to blood in lower body/ legs

Answer 20

Gains CO2 and water, loses O2 and food