Diffusion

How do substances like carbon dioxide and water move in and out of the cell?

Define Diffusion.

Why does the skin of our fingers shrink when you wash clothes for a long time?

How do substances like carbon dioxide and water move in and out of the cell?

How does the movement of substances take place in the cell?? How do substances move out of the cell??

What is C2 cycle?

what will happen when a animal cell is placed in a hypotonic solution and hypertonic solution?

What is an example of diffusion in the human body?

What is the percentage of carbon dioxide in exhaled air?

21%

0.04%

16.4%

4.4%

How does water move in and out of the cells?

Arteries always carry oxygen-rich blood.

1. True

2. False

What would happen if the plasma membrane ruptures or breaks down?

What is the principle of diffusion?

In the process of respiration, state the function of alveoli.

Why does diffusion occur?

How is osmosis different from active transport?

Name the source of oxygen for terrestrial animals and aquatic animals. Why is the rate of breathing in aquatic organisms faster than in terrestrial organisms?

Give an example of diffusion across plasma membrane.

1. Substances are transported without the use of ATP.
2. Transport rate reaches saturation.
3. Very specific and selective to substances
4. Causes net transport of molecules from low to high concentration

Which is the correct equation for aerobic respiration in humans?

1. glucose + oxygen → carbon dioxide + water

2. glucose → carbon dioxide + water

3. glucose → carbon dioxide + oxygen

4. glucose + oxygen → carbon dioxide

Question 44
How do substances like carbon dioxide $\left(C{O}_2\right)$ and water $\left(H_{2}O\right)$ move in and out of the cell?

1. Leave the cell and the cell shrinks.
2. Enter the cell and the cell expands.
3. No change will take place.
4. Depends on the temperature and climatic conditions.

Respiration control center is present in_________.

1. It is a type of active transport.
2. Water molecules move from high to low concentration regions.
3. No energy is required in osmosis.
4. It is the movement of water molecules.

What are the different types of membrane transport?

Write down the differences between diffusion and osmosis.

How do substances like carbon dioxide (CO₂) and water (H₂O) move in and out of the cell? Explain broadly.

1. Alveoli
2. Trachea
3. Nephron
4. Pharynx