Organisation and Digestion Revision

• Science
• Lower Secondary (Key Stage 3)

Organisation and Digestion

Cell

Tissue

Organ

Organ

Organ system

Organ system

The building blocks of life.

A group of similar cells working together.

A group of tissues working together.

A group of organs working together.

A living being (e.g. human).

Cell

Organ system

Organ

Organism

Tissue

Smallest

Largest

Heart cell

Heart tissue

Heart 

Circulatory system

Human

Match the organ to the organ system.

Lung

Stomach

Brain

Skull

Heart

Respiratory

Digestive

Circulatory

Nervous

Skeletal

Circulatory

Nervous

Respiratory

Digestive

Muscular-Skeletal

Reproductive

Allows us to control and communicate with our body.

Produces new organisms.

Allows us to breathe in oxygen and breathe out carbon dioxide.

Provides support and protection. Allows us to move our bodies.

Breaks down food and absorbs nutrients

Pumps blood around the body.

https://wordwall.net/resource/31950440/science/digestive-system

Competition Time! 

How fast can you correctly label the organs of the digestive system???

Food in.

Poo out.

What order does food pass through your digestive system?

Mouth

Oesophagus

Stomach

Rectum

Large intestine

Small intestine

Anus

Name the organ.

1. Stomach
2. Small intestine
3. Large instestine
4. Rectum

Name the organ.

1. Stomach
2. Liver
3. Gall bladder
4. Pancreas

Name the organ.

1. Stomach
2. Small intestine
3. Gall bladder
4. Pancreas

Which organ absorbs nutrients into the bloodstream?

1. Stomach
2. Small intestine
3. Large intestine
4. Liver

Which organ stores bile?

1. Stomach
2. Pancreas
3. Gall bladder
4. Liver

What is the pH of the stomach?

1. pH 1-2
2. pH 7
3. pH 13-14

Liver

Oesophagus

Rectum

Stomach

Anus

Small intestine

Large intestine

Pancreas

Gall bladder

Mouth

Pancreas

Stomach

Small intestine

Large intestine

Rectum

Gall bladder

Carbohydrates

Proteins

Lipids + Oils

Vitamins + Minerals

Fibre

Give an example of a food that contains lots of each nutrient.

Name 3 foods that contain lots of each nutrient.

Which nutrient is...

made from fatty acids and glycerol?

1. Carbohydrates
2. Lipids
3. Protein

Which nutrient is...

mostly found in meat, fish and nuts?

1. Carbohydrates
2. Lipids
3. Protein

Which nutrient is...

needed for insulation?

1. Carbohydrates
2. Lipids
3. Protein

Which nutrient is...

made of simple sugars?

1. Carbohydrates
2. Lipids
3. Protein

Which nutrient is...

used to release energy?

1. Carbohydrates
2. Lipids
3. Protein

Which nutrient is...

made of amino acids?

1. Carbohydrates
2. Lipids
3. Protein

Which nutrient is...

found in butter, olive oil, and egg yolk?

1. Carbohydrates
2. Lipids
3. Protein

Which nutrient is...

used for cell growth and repair?

1. Carbohydrates
2. Lipids
3. Protein

Bread, rice, potato, pasta

meat, fish, egg, nuts

butter, oil, egg yolk, cheese

releases energy

stores energy and insulates

growth and repair

simple sugars

amino acids

fatty acids and glycerol

Why is it important that vegetarians make sure that they have enough protein in their diet?

Why is it important that penguins eat a diet rich in lipids?

An athlete is trying to decide which cracker to buy as a snack. Which cracker would you recommend and why?