Biology, 20.09.2019 16:30 deedee363

Astudent was visiting a friend at her home. her friend owned two cats. after playing with the cats for
a while, the student began to sneeze. her nose began to run and her eyes became red, watery, and
itchy. it also became hard for her to breathe. a few minutes after leaving her friend’s home, the
symptoms disappeared.
provide a biological explanation for the symptoms the girl developed at her friend’s house. in your
response, be sure to:
• state one reason why her symptoms are not likely due to an infectious agent

Answers: 1

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Answer from: chickenndle7814

Beacuse she must have a cat hair near her nose and it ismaking her sneeze

Answer from: gaby8282

This girl is allergic to cat´s hair.

Explanation:

The substance that provokes allergy to cats is a protein produced in the sebaceous glands and that can be found in the cats´ hair. It can be found in clothes, walls, beds, among other places. As it can also be suspended in air, a person can easily breathe it. In a house with cats, these proteins are present in important amounts.

An allergic reaction is an abnormal response of the immunity system to a substance considered strange to the body, in this case, the protein or the cat´s hair. These strange substances are called allergens.

The allergen gets in contact with the body for the first time in a sensibilization face. The immunity system considers that this is a strange dangerous substance for the body. In this first stage, the subject submitted to the presence of the allergen does not show any symptoms. But in a second contact, the organism reacts with allergic reactions.

There might appear symptoms in ayes and nose as irritations, stinging, cough, skin´s eruptions and difficulty to breath.

Answer from: Quest

answer: - few nutrients

high pressure

low temperatures

explanation: 1. few nutrients: open-ocean zone is located way far from the land, which is the main source of the essential nutrients.2. high pressure: pressure increases by 1 atmosphere for every 10 meters increase in depth.3. ample sunlight: a large fraction of the sunlight is reflected back to the atmosphere from the sea surface. 4. varying salinity: below the thermocline, the water is isolated from the atmosphere so the salinity remains stable over the year.5. low temperatures: the temperature of open-ocean zone ranges from a low of -2°c to an average of 17°c

Answer from: Quest

where is the scientific experiment?

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Astudent was visiting a friend at her home. her friend owned two cats. after playing with the cats f...

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