A reddish tinge in the cerebrospinal fluid indicates that there is internal bleeding, or hemorrhaging, or is a sign of spinal cord obstruction.
The cerebrospinal fluid (CSF) is a clear, colorless fluid found in the brain and spinal cord. The main function of this fluid is to cushion the brain and spine from impacts and blows and protect these vital components of the body.
1 is the right answer okay
Cell membrane not to sure about but cell wall was made by donald trump because you know how much he likes walls lol
anyway the cell membrane is selectively permible to ions
the cell wall dosent let anything by but is only found in plant cells
Answer:
Animals and Plants
Explanation:
Biotic means life. Animals and plants are living things. Therefore this is the correct answer.