Year 6 - The Circulatory System

What is the main function of the heart?

• To filter toxins from the blood.

• To pump blood throughout the body.

• To produce hormones for digestion.

• To regulate body temperature.

Name the three types of blood vessels.

• arteries, veins, lymphatics

• arteries, capillaries, blood

• arteries, veins, capillaries

• veins, capillaries, plasma

What is the process of blood circulation called?

• Respiration

• Circulation

• Digestion

• Excretion

List the main parts of the circulatory system.

• Heart, blood vessels, blood

• Lungs, kidneys, liver

• Brain, spinal cord, nerves

• Stomach, intestines, pancreas

What is the function of arteries?

• The function of arteries is to transport oxygenated blood away from the heart to the body.

• To transport deoxygenated blood to the heart.

• To filter waste products from the blood.

• To absorb nutrients from the digestive system.

What role do veins play in the circulatory system?

• Veins carry deoxygenated blood back to the heart.

• Veins filter toxins from the blood before it reaches the heart.

• Veins are responsible for pumping blood throughout the body.

• Veins transport oxygenated blood away from the heart.

What is the purpose of capillaries?

• To transport oxygen from the lungs to the heart.

• To store nutrients for the body.

• To produce red blood cells in the bone marrow.

• The purpose of capillaries is to enable the exchange of substances between blood and surrounding tissues.

How does the heart pump blood throughout the body?

• The heart pumps blood by using electrical signals to attract blood cells.

• The heart pumps blood by contracting and relaxing, moving blood through the circulatory system.

• The heart pumps blood by expanding and contracting the lungs.

• The heart pumps blood by filtering it through the lungs.

What is the difference between oxygenated and deoxygenated blood?

• Oxygenated blood has a blue color, while deoxygenated blood is red.

• Oxygenated blood is produced in the liver, while deoxygenated blood is produced in the lungs.

• Oxygenated blood contains high levels of oxygen, while deoxygenated blood contains low levels of oxygen.

• Oxygenated blood is found in veins, while deoxygenated blood is found in arteries.

Why is the circulatory system important for the body?

• It regulates body temperature.

• It produces hormones for growth.

• It helps in digestion of food.

• The circulatory system is important for delivering oxygen and nutrients to cells and removing waste.