Strengthening and weakening the connections between neurons, known as synapses, is vital to the brain's development and everyday function. One way that neurons weaken their synapses is by swallowing up receptors on their surfaces that normally respond to glutamate, one of the brain's excitatory chemicals
1. Autograft- A patient's own tissue - an autograft - can often be used for a surgical reconstruction procedure. Autograft tissue is the safest and fastest-healing tissue that can be used.
2. Allograft-
Allograft tissue, taken from another person, takes longer to incorporate into the recipient's body, but there is no second surgical site to heal.
3. Xenograft- A surgical graft of tissue from one species to an unlike species. A graft from a baboon to a human is a xenograft.
4. Isograft- Agraft of tissue between two individuals who are genetically identical
1,3,4,6..........those are your answers
Your spinal cord is protected by the vertebral column (also known as the spinal column or backbone). The human spinal column is made up of 33 bones - 7 vertebrae in the cervical region, 12 in the thoracic region, 5 in the lumbar region, 5 in the sacral region and 4 in the coccygeal region.
B Because when you have sugar it takes time to get through you and can block passag ages for blood