Brain and nerves
The brain, nerves and spinal cord form part of the nervous system. Nerve cells and chemicals called neurotransmitters help different parts of the body communicate. Tumours, seizures, headaches and brain disorders can affect the brain.
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Topic: Introduction to brain and nerves
Messages relay between the brain and the motor and sensory nerves of the body in a constant ‘conversation’.
The nervous system helps all the parts of the body to communicate with each other.
Folic acid taken before conception, and during at least the first four weeks of pregnancy, can prevent around seven out of 10 cases of neural tube defects.