Answer:
The CNS
Explanation:
First, the entire CNS is enclosed in bone. The brain is protected by the skull, while the spinal cord is protected by the vertebra of the spinal column. The brain and spinal cord are both covered with a protective tissue known as meninges.
Proteins are broken down into amino acids, while carbohydrates are broken down into sugars.
New technology drive progress in many research fields,including cell biology.
Answer:
sports such as running would require energy and oxygen
Explanation:
Answer:
(1) Nitrite poisoning
(2) Its cause is elevated levels of nitrite in the pond or culture system water.