Organisation and the skeletal system

• Science
• Lower Secondary (Key Stage 3)

Organisation and the skeletal system

Who am I??
I am a group of cells working together…

1. Cell
2. Tissue
3. Organ
4. Organism

Who am I??
I am a group of tissues working together…

1. Cell
2. Tissue
3. Organ
4. Organism

Who am I??
I am a group of organs working together…

1. Tissue
2. Organ
3. Organ system
4. Organism

Who am I??
I am a group of organ systems working together…

1. Tissue
2. Organ
3. Organ system
4. Organism

Match the words to the definitions.

The building blocks of life.

A group of cells working together.

A group of tissues working together.

A group of organs working together.

A group of organ systems working together.

Cell

Tissue

Organ

Organ system

Organism

Order these to describe the organisation in a multicellular organism. Start with the smallest structure.

1 (smallest)

2

3

4

5 (largest)

Organ (i.e. Heart)

Cell (i.e. Heart-muscle cell)

Organism (i.e. Human)

Tissue (i.e. Heart-muscle tissue)

Organ System (i.e. Circulatory System)

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.

What does the circulatory system do?

1. Pump blood around the body
2. Move your body and keep you upright
3. Fight off infections
4. Create new offspring

What does the nervous system do?

1. Pump blood around the body
2. Move your body and keep you upright
3. Fight off infections
4. Send impulses around the body.

What does the respiratory system do?

1. Pump blood around the body
2. Move your body and keep you upright
3. Inhales and exhales, exchanging the gases
4. Send impulses around the body.

What does the digestive system do?

1. Break down of food and absorption of food.
2. Move your body and keep you upright
3. Inhales and exhales, exchanging the gases
4. Send impulses around the body.

What does the musculoskeletal system do?

1. Break down of food and absorption of food.
2. Move your body and keep you upright
3. Inhales and exhales, exchanging the gases
4. Send impulses around the body.

What does the reproductive system do?

1. Break down of food and absorption of food.
2. Move your body and keep you upright
3. Create new offspring
4. Send impulses around the body.

What does the immune system do?

1. Break down of food and absorption of food.
2. Keeps your body safe from infections
3. Create new offspring
4. Send impulses around the body.

Match the organ it's system.

Nervous system

Skeletal system

Circulatory system

Digestive system

Stomach

Brain

Heart

Skull

What is the role of red blood cells?

1. Produce hormones
2. Fight infections in the body
3. Move oxygen throughout the body
4. Digest food

What do nerve cells transmit (send)?

1. Nutrients for energy
2. Waste products
3. Oxygen to tissues
4. Electrical signals between body parts

What is the function of white blood cells?

1. Store energy
2. Fight infections and disease
3. Support physical structure
4. Transport carbon dioxide

What do muscle cells do?

1. Store genetic information
2. Protect against pathogens
3. Allow movement and contraction
4. Produce insulin

What type of cell is this?

1. Nerve
2. Bacteria
3. Animal
4. Prokaryote

What type of cell is this?

1. White blood cell
2. Red blood cell
3. Nerve cell
4. Palisade cell

The egg cell swims towards the sperm cell.

1. True
2. False

Which is it?

1. Cell
2. Tissue
3. Organ
4. Organ system

Which is it?

1. Cell
2. Tissue
3. Organ
4. Organ system

Which is it?

1. Cell
2. Tissue
3. Organ
4. Organ system

Which is it?

1. Cell
2. Tissue
3. Organ
4. Organ system

What is an organ?

Give an example of an organ system and state it's function.

Choose an organ and state which system it belongs to.

How many plant systems can you name?

Name three different types of cells found in animals.