Importance of diffusion in living things Practice exercise 3

Explain how diffusion helps in the removal of urea from the blood in the human body.  (1 mark)

Explain how diffusion helps in the removal of urea from the blood in the human body.  (1 mark)

Explain how diffusion helps in the removal of urea from the blood in the human body.  (1 mark)

How does diffusion help in supplying glucose to muscle cells during exercise?  (1 mark)

How does diffusion help in supplying glucose to muscle cells during exercise?  (1 mark)

How does diffusion help in supplying glucose to muscle cells during exercise?  (1 mark)

Using the diagram below, explain how diffusion helps an insect to breathe.  (1 mark)

Using the diagram below, explain how diffusion helps an insect to breathe.  (1 mark)

Using the diagram below, explain how diffusion helps in the absorption of mineral salts in plants.  (1 mark)

Using the diagram below, explain how diffusion helps in the absorption of mineral salts in plants.  (1 mark)

Using the diagram below, explain how diffusion helps in the absorption of mineral salts in plants.  (1 mark)

Using the diagram below, explain how diffusion helps in the absorption of mineral salts in plants.  (1 mark)

Using the diagram below, explain how diffusion helps in the absorption of mineral salts in plants.  (1 mark)

Using the diagram below, explain how diffusion helps in the absorption of mineral salts in plants.  (1 mark)

Describe how diffusion is used by frogs to exchange gases through their skin.  (1 mark)

Describe how diffusion is used by frogs to exchange gases through their skin.  (1 mark)

At a sports event in Nyahururu, an athlete collapses and is given oxygen. Explain how diffusion is involved and why this is important to living things using the image below.   (2 marks)

At a sports event in Nyahururu, an athlete collapses and is given oxygen. Explain how diffusion is involved and why this is important to living things using the image below.   (2 marks)

At a sports event in Nyahururu, an athlete collapses and is given oxygen. Explain how diffusion is involved and why this is important to living things.   (2 marks)

At a sports event in Nyahururu, an athlete collapses and is given oxygen. Explain how diffusion is involved and why this is important to living things.   (2 marks)

During exams in an overcrowded classroom in Kisii, students begin to feel drowsy and uncomfortable. Explain how diffusion is involved in this situation and why it is important to living things.  (2 marks)

During exams in an overcrowded classroom in Kisii, students begin to feel drowsy and uncomfortable. Explain how diffusion is involved in this situation and why it is important to living things.  (2 marks)

During exams in an overcrowded classroom in Kisii, students begin to feel drowsy and uncomfortable. Explain how diffusion is involved in this situation and why it is important to living things.  (2 marks)

A farmer in Budalangi finds that her maize plants are yellowing after floods as shown below. Explain how diffusion is affected and why it is important to living things.   (2 marks)

A farmer in Budalangi finds that her maize plants are yellowing after floods as shown below. Explain how diffusion is affected and why it is important to living things.   (2 marks)

A farmer in Budalangi finds that her maize plants are yellowing after floods as shown below. Explain how diffusion is affected and why it is important to living things.   (2 marks)

A farmer in Budalangi finds that her maize plants are yellowing after floods as shown below. Explain how diffusion is affected and why it is important to living things.   (2 marks)

A farmer in Budalangi finds that her maize plants are yellowing after floods as shown below. Explain how diffusion is affected and why it is important to living things.   (2 marks)

After fasting for two days, a student in Baringo begins to feel weak and dizzy. Explain how diffusion continues to operate in their body and why it remains important to living things even without food intake.  (2 marks)

After fasting for two days, a student in Baringo begins to feel weak and dizzy. Explain how diffusion continues to operate in their body and why it remains important to living things even without food intake.  (2 marks)

After fasting for two days, a student in Baringo begins to feel weak and dizzy. Explain how diffusion continues to operate in their body and why it remains important to living things even without food intake.  (2 marks)

After trekking for hours without water, a student from Isiolo begins to feel unwell. Explain how diffusion is affected in this situation and why diffusion is important to living things.   92 marks)

After trekking for hours without water, a student from Isiolo begins to feel unwell. Explain how diffusion is affected in this situation and why diffusion is important to living things.   92 marks)

After trekking for hours without water, a student from Isiolo begins to feel unwell. Explain how diffusion is affected in this situation and why diffusion is important to living things.   (2 marks)