Answer: Hypersensitivity reaction is a condition in which the normally protective immune system has a harmful effect on the body. It involves harmful immune response following sensitization and subsequent antigen contact. Type IV such as contact dermatitis reactions are delayed and cell-mediated and are the only hypersensitivity reaction that involves sensitized T lymphocytes rather than antibodies.
No shelter; homeless.
Scarcity of food.
Scarcity of clothing.
When a child is little, they must have a ton of interaction with other people. Children repeat things they hear when they're little, and with the caregiver not communicating with the child, they don't have a chance to engage the brain through words. With the caretaker not using the child's name, the babe might not respond when people call their name, which is not good. With no walking or crawling, the baby will have a hard time learning as it isn't practicing when it counts the most.
The cerebrospinal fluid (CSF) is found within the brain, around the brain, within the spinal cord and around the spinal cord.
Explanation:
The CSF is the watery but clear fluid that circulates through the nervous system to protect the brain, spinal cord by providing a cushioning effect.
Within the brain, CSF is present in the hollow channels of ventricles and present surrounding the brain in the subarachnoid space.
It is also present within in the central canal that runs in the spinal cord and surrounding the spinal cord in the subarachinoid space.
CSF is mainly secreted in the choroid plexus present in the ventricles (lateral, third, fourth).
The flow of the CSF begins sequentially through the four ventricles and then the foramina in the brain, and then into the subarachnoid spaces around the brain and the spinal cord.
