Question

select the single word in each sentence to make it correct. 1. csf is secreted into each (click to select) ventricle by a choroid plexus and flows into the third ventricle. 2. csf then flows down the cerebral (click to select) into the fourth ventricle. 3. the (click to select) in the fourth ventricle adds more csf. 4. csf fills the (click to select) space and bathes external surfaces of the brain and spinal cord. 5. at the arachnoid villi, csf is reabsorbed into the venous blood of the (click to select) sinuses. (click to select) frontal posterior subdural choroid plexus subarachnoid lateral aqueduct dural venous

Explanation:

1. Cerebro - spinal fluid (CSF) is secreted into each lateral ventricle by the choroid plexus.
2. CSF then flows down the cerebral aqueduct into the fourth ventricle.
3. The choroid plexus in the fourth ventricle adds more CSF.
4. CSF fills the subarachnoid space and bathes the external surfaces of the brain and spinal cord.
5. At the arachnoid villi, CSF is reabsorbed into the venous blood of the dural venous sinuses.

Answer:

1. lateral
2. aqueduct
3. choroid plexus
4. subarachnoid
5. dural venous