| A | B |
|---|
| What is the term given to explain the movement of air into and out of the lungs? | Ventilation |
| What 2 substrates are needed for respiration? | Glucose, oxygen |
| What are the products of respiration? | Carbon dioxide, water, energy |
| To make air move into the lungs the ribcage moves up and out. What happens to the diaphragm? | The diaphragm flattens |
| What type of respiration do cells carry out when there is a shortage of oxygen? | Anaerobic respiration |
| Anaerobic respiration results in the incomplete breakdown of glucose, what are the products? | Lactic acid, a little energy |
| What is the oxygen needed to break down lactic acid produced via anaerobic respiration called? | Oxygen debt |
| In which type of blood vessel does blood flow towards the heart? | Veins |
| Name 4 things that energy is released during respiration is used for? | build larger molecules from smaller ones, enable muscles to contract, maintain a steady body temp., active transport |
| What are the 3 things that make alveoli specialised so that gases can diffuse in and out? | large surface area, moist , suplied with blood vessels |
