it is B cells produce antibodies and T cells destroy infected cells
its like a twisted ladder or a double helix
how stuff works dot com
B An ecosystem because it is i dont know how to explain but i think is that one
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.
Mendel* and to predict the results from genetic crosses
