The questions in this quiz are suitable for GCSE biology students studying homeostasis, the nervous system, the reflex arc, the brain and the eye. If you struggled with the quiz, don't panic - we've ...

Vitamin B12 is vital for good health. Your body needs steady levels of this nutrient to make enough red blood cells and keep your nervous system working. If you eat a balanced diet, you’re probably ...

Hoffman’s sign or reflex is a test that doctors use to examine the reflexes of the upper extremities. The sign takes its name from a German neurologist called Johann Hoffman. Other names for the sign ...

Your muscles move when nerve signals from the brain tell them to get to work. Electromyography (EMG), a diagnostic test, measures how well your muscles respond to those signals. Movement is a complex ...

Each part of the nervous system uses internal checks and balances to regulate its activity, responding to various factors like mood, health status, and the external environment.¹ These regulatory ...

Neurological diseases affect the nervous system, including the brain, spinal cord, and peripheral nerves that carry signals throughout your body. These conditions can disrupt movement, thinking, mood, ...

The nervous system enables humans to react to their surroundings and to coordinate their behaviour. Check your understanding of how it works here. Back to top Revise the nervous system and neural ...