Answer: Option A "Choroid plexus".
Explanation:
Cerebrospinal fluid can be defined as the fluid that is found in the brain and spinal cord of human beings. It is a clear and colorless fluid.
The production of cerebrospinal fluid takes place by the specialized ependymal cells that lies in the choroid plexuses which is present in the ventricles of brain.
The amount of cerebrospinal fluid in a day is 500mL. This fluid acts as cushion that protects the brain from mechanical and immunological protection.
Hence, the correction answer is option A
Capillaries: <span>any of the fine branching blood vessels that form a network between the arterioles and venules.</span>
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The urea cycle also known as the o r n i t h i n e cycle is a cycle of biochemical reactions that produces you re a from ammonia this cycle occurs in u r e o t e l i c organisms
Answer:
it can be mitochondrion or ser
