Animal organ systems

What the lesson covers

• Why large animals need organ systems: surface area and diffusion
• The nervous system and the reflex arc
• The respiratory system: gas exchange and ventilation
• The circulatory system: the heart
• Blood vessels, blood and the ECG
• The digestive system
• The excretory system: the kidney and the nephron
• Putting it together
• Self-check questions with answers (8)

Specification: B9.2. Codes follow the UAT-UK ESAT content specification.

How to use it

1. Read a section, then cover the worked example and try it yourself.
2. Check the common mistakes list: these are the slips the real test is built to catch.
3. Do the self-check without looking back. Mark it against the answers.
4. Then practise the topic under time, with the matching practice set.