environmental stressors are stresses to someone that causes stress (annoyance, irritation, any type of disturbance) These can include loud noises, alarms, weather, etc)
Answer:
Overall, 5.1% of the global burden of disease and injury is attributable to alcohol, as measured in disability-adjusted life years.
Cerebrospinal fluid (CSF), clear, colourless liquid that fills and surrounds the brain and the spinal cord and provides a mechanical barrier against shock. Formed primarily in the ventricles of the brain, the cerebrospinal fluid supports the brain and provides lubrication between surrounding bones and the brain and spinal cord. When an individual suffers a head injury, the fluid acts as a cushion, dulling the force by distributing its impact. The fluid helps to maintain pressure within the cranium at a constant level.
https://www.britannica.com/science/cerebrospinal-fluid
The second trimester is when the respiratory system is mature.