Respiration

• Biologie
• Middelbare school
• vwo
• Leerjaar 2

Why do we 'breathe'

Name the organs within the respiratory system you already know

Which parts of the respiratory system were new to you so far?

Laughing while drinking soda, might end up in soda leaving your nose because the .... opened

1. Uvula
2. Epiglottis
3. Larynx
4. Pharynx

Which cells hold onto the dust you inhale?

1. Olfactory cells
2. Mucus producing cells
3. Nose hairs
4. Ciliated cells

From big to small. Which order is correct?

1. Bronchus - alveoli - bronchioles
2. Alveoli - bronchioles - bronchus
3. Bronchi - bronchioles - alveoli
4. Windpipe - bronchus - bronchi

In diffusion a substance moves from ...

1. a high to a low concentration
2. a low to a high concentration

The excess of energy released through cellular respiration is (mostly) released as

1. movement
2. heat
3. electricity
4. it is stored as fat

Name 3 short reasons why it is healthier to breathe through your nose

Name 3 ways the gas exchange in the lungs is made as efficient as possible

Draw the process of diffusion as good as you can.

Homework: