A diver completed three tests before a head injury. The same tests were repeated after the injury.

Test	Before the injury	After the injury
number of words remembered from a list of 20	16	15
time maintaining balance on one leg in seconds	48	7
breathing rate while asleep in breaths per minute	14	14

Explain which brain region is most likely to have been damaged. Use all the data in your answer.

Suggest one other effect this damage could have on the diver's movement. Explain your answer.

A diver completed three tests before a head injury. The same tests were repeated after the injury.

Test	Before the injury	After the injury
number of words remembered from a list of 20	16	15
time maintaining balance on one leg in seconds	48	7
breathing rate while asleep in breaths per minute	14	14

Explain which brain region is most likely to have been damaged. Use all the data in your answer.

Suggest one other effect this damage could have on the diver's movement. Explain your answer.

2.3 The nervous system and brain

2.3 The nervous system and brain Questions