Task 6 of 6 (AC 2.3)
- Fill in the gaps in the paragraphs below:
Blood pressure can be regulated by the nervous system, in particular the ____________________ nervous system. Initially changes to blood composition and pressure can be detected by ____________________: ____________________for pressure, ____________________for chemical changes, ____________________for temperature, and ____________________for movement.
These changes are collected by the medulla oblongata in the brain, which will initiate the ____________________nerve to reduce blood pressure or the ____________________system to increase it.
So when blood pressure is high, the ____________________system is used, heart rate ____________________and the systolic blood pressure ____________________.
When blood pressure is too low, the ____________________system takes over, heart rate and contractility ____________________, and ____________________occurs in the blood vessels.
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