Protects brain and spinal cord from trauma, as well as supplies nutrients to nervous system tissue. It also removes waste from cerebral metabolism.
Answer: A specific chemical binding to nociceptors
Explanation:
This is True . the reabsorption through the proximal tubule is obligatory 80% whereas water reabsorption through distal tubule is facultative but mostly through collector tubules 15 % ( under the action of aldosteron and antidiuretic hormone).
When the effects of genes add up to make the phenotype, they are called additive genes.
1.a
2.c
3.a
4.a
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