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Worksheetstransport in animals
Total questions: 19
Worksheet time: 19mins
Which type of cell is found in the greatest numbers in blood?
Red blood cell
White blood cell
Platelets
What happens to breathing and heart rate during exercise?
Breathing rate increases and heart rate decreases
They both increase
They both decrease
Why is the left wall of the heart have a thicker layer of muscle than the right side?
To stop the blood flowing backwards
To push the blood with more force at high pressure so it goes to all body cells.
To push the blood at high pressure to the lungs.
Why is there a limit to cell size in multicellular organisms?
As size of cells increase, their surface area to volume ratio also increases meaning substances would diffuse too slowly into the cell.
As size of cells increase, their volume decreases meaning substances would diffuse too slowly into the cell.
As size of cells increase, their surface area to volume ratio decreases meaning substances would diffuse too slowly into the cell.
Name 2 human excretory organs.
Heart and lungs
Brain and heart
Kidneys and lungs
What is the name of the liquid part of the blood?
Platelets
Plasma
Red blood cells
What do platelets do?
They stick together and make fibres that make scabs (blood clots) that stop pathogens entering the blood or stop you bleeding to death.
They form your immune system and destroy pathogens.
They carry oxygen around the body attached to haemoglobin.
What other names are given to red blood cells and also white blood cells?
Lymphocytes (red blood cells) and phagocytes and erythrocytes (white blood cells).
Erythrocytes (red blood cells) and phagocytes and lymphocytes (white blood cells).
Phagocyctes (red blood cells) and lymphocytes and erythrocytes (white blood cells).
What do phagocytes do?
Engulf (surround) microbes and digest them.
Produce antibodies.
Release a toxin that kills pathogens.
Why do arteries have a thick muscle layer?
To provide energy for the blood vessel.
To prevent the blood flowing backwards.
To help withstand the high pressure blood, also to contract to control blood flow.
Why do veins and the heart have valves?
To stop the backflow of blood
To contract to push the blood under high pressure
To cause the pulse
What type of blood vessel surround alveoli and other tissues in the body?
Capillaries
Arteries
Veins
The blood vessel with high levels of urea is the
Renal Vein
Hepatic Vein
Hepatic Artery
A deficiency in which of the following may result in a person’s blood failing to clot properly?
antibodies
fibrinogen
haemoglobin
protease
Which of the following statements is true regarding the lymphatic system?
It destroys the immunological defence in body.
It transports interstitial fluids back to the blood.
It transports plasma cells to the site of infection in the body.
It filters the antigen that enters the body from respiratory system.
Which component of blood contains phagocytes and lymphocytes?
Red Blood Cells
White Blood Cells
Platelets
Plasma
Which component of blood clots together to stop bleeding?
Red Blood Cells
White Blood Cells
Platelets
Plasma
What is the function of lymphocytes?
Transport oxygen around the body
Engulf and digest pathogens
Produce antibodies which destroy pathogens
Clot together to prevent bleeding
Compare to a vein an artery has
a thinner wall
a wall with more elastic tissue
a wider lumen
valves
