How are nutrients, water and oxygen transported within our bodies micro-lesson

Sian Hobson

Animals Including Humans Micro-Course for Kids

Science

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Learning time

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The circulatory system is the name given to the system responsible for transporting oxygen, water, and nutrients around the body. It is made-up of blood, the heart, and blood vessels and it's ideal as a transport system because it's able to reach all of the different parts of the body and reach the millions of cells that its made-up of. Did you know that half of the volume of blood in the human body is made-up of water? Food is broken down via the mouth and absorbed into the blood from the digestive system. It also carries away waste products such as carbon dioxide produced by the body cells. The blood carries nutrients and oxygen needed to fuel the activities of the body's tissues and organs. Oxygen is transported from the lungs via the heart to the body cells and then carbon dioxide is transported back to the lungs via the heart.

Answer time

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Give an example of a waste product the body carries away.

1) Carbon dioxide

2) Food

3) Carbohydrates

4) Protein
What is the circulatory system made up of?

1) Heart, Blood and blood vessels.

2) Lungs, heart, veins

3) Arms, legs, feet

4) head, shoulders, knees
How is oxygen transported around the body?

1) Oxygen is transported from the lungs via the heart to the cells of the body and then CO2 is transported back to the lungs via the heart.

2) Oxygen is transported via the lungs to the heart.

3) Oxygen is transported through the arms

4) Oxygen is transported via the brain.
What are the three main functions of the heart?

1) Pumping blood, supplying oxygen and nutrients and removing waste.

2) Providing CO2, supporting the organs, allowing you to breathe.

3) Helping you to breathe, protecting the organs, removing waste.

4) Removing waste, providing blood vessels, supporting organs.
What is the name of the system responsible for transporting nutrients, water and oxygen around the body?

1) Circulatory system

2) Respiratory System

3) Vascular System

4) Cardiovascular System
About half of the blood in the human body is made up of what?

1) Water

2) White blood cells

3) Red blood cells

4) Platelets
What are the blood vessels made up of?

1) Arteries, veins and Capillaries

2) White blood cells, Red blood cells, Platelets

3) Organs, tissues

4) Plasma, veins, ccells