WorksheetsThe Blood Circulation
Total questions: 10
Worksheet time: 5mins
Which is not a function of blood?
Temperature control
Immunity
Breakdown of food
Defence
What is the best description of a red blood cell?
Discs
Cubes
Spheres
Circles
Where are most blood cells made?
Bone marrow
Liver
Heart
Spleen
What is the main function of white blood cells?
Defence and immunity
Protection and clotting
Regulation of waste
Regulation of hormones
What is plasma made of?
Broken down acid
A mix of alkaline solutions
Mainly water and a mix of salts, amino acids, waste material, hormones
Water and oils
What is the function of platelets?
Breakdown of waste material
Building resistance to infection
Forming links wit capillaries
Clotting
What is not associated with arteries?
Thick, muscular walls
Blood under high pressure
Valves
Oxygenated blood
What moves blood through veins?
Muscle movement and breathing
Contraction of the heart
Pulse and blood pressure
Arteries
Why do veins contain valves?
To block the flow of blood
To help the flow of blood
To prevent backflow of blood
To create passages for the blood to flow
What best describes a capillary?
Large blood vessels
Blood vessels only found in the skin
Single celled, thin walled vessels
Vessels that only flow one way
