A-Level Biology OCR A
System Body Organ State Examples Animals Describe Funciton
| Front |
State 3 examples of organ systems in animals and for each describe their funciton. |
| Back |
Animal organ systems:- Digestive system - takes in food, breaks down large insoluble molecules into small soluble ones, absorbs nutrients into the blood, retains water needed by body and removes undigested material from body
- Cardiovascular system - moves blood around the body to provide a transport system for the substance it carries
- Gaseous exchange system - brings are into the body so O can be extracted for respiration and CO2 can be expelled
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A-Level Biology OCR A