Give an overview of four different symptoms in the human body that are caused by air pollution.

The four symptoms in the human body caused due to air pollution are:

•Itching and redness in eyes: This is a very common symptom easily seen in the people as an effect of air pollution. Redness and itching is caused due to inflammation in eyes.

•Coughing: Coughing is also caused due to inflammation in the bronchi. The mucosa secreted encounters some foreign materials and as a result of this coughing starts.

•Sneezing: The nasal passage has some mucosal secretion which when encounters the dust particles starts sneezing.

•Nausea: Some people feel nausea due to gases that causes air pollution

The four different symptoms in the human body that may be caused by air pollution are coughing, sneezing, nausea, redness and itching in eyes.

Further Explanation:

The addition of any harmful substance or gases mainly referred as pollutant into the air so as to change the natural composition of air is called air pollution. In this various solid, gases, or liquid particles releases in the environment. These pollutants are release into environment in the high concentration that affect health, aesthetic or economic effects.

The major symptoms of air pollution are:

Learn More:

Answer Details:

Grade: High School

Subject: Biology

Chapter: Pollution

Keywords:

Nausea, coughing, sneezing, bronchi, mucosal secretion, redness, itching, gases, pollution, pollutant, solid, gases, liquid.

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).