Answer:
The upper respiratory system includes the nasal cavity (nose), the pharynx and larynx.
Explanation:
Air enters the body through the nose or mouth, this moistens and warms the air that enters since cold dry air will irritate the lungs. The air then travels down the voice box and down the windpipe.
It involves chromosomal abnormality; w<span>hen the condition is caused by trisomy 21, (down syndrome), the </span>chromosomal abnormality<span> occurs as a random event during the formation of reproductive cells in a parent. The </span>abnormality<span> usually occurs in egg cells, but it occasionally occurs in sperm cells.
I hope this answers your question. =)</span>
Answer:
Duck pluck rescue is used to recover individuals who are submerged in the water and within reach.
The rescuer should be made to lie upwards and straight on the rescuer. This will ensure proper flow of blood to the brain and will ensure a higher degree of consciousness and lesser damage to the brain cells in the case when the patient has taken in much water which may have gone to the brain.
Supplements are the most common cause of vitamin A toxicity. Vitamin a toxicity tends to not occur from eating vitamin a rich foods
