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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
Brain
Messages relay between the brain and the motor and sensory nerves of the body in a constant ‘conversation’.
Nervous system
The nervous system helps all the parts of the body to communicate with each other.
Birth defects - central nervous system
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.
