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A foreign material that invades the body is called an antigen. Examples of antigens are bacteria, dust particles, viruses and toxins.

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10y ago
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4mo ago

Foreign materials can enter the body through various means, including inhalation (breathing in particles), ingestion (eating or drinking contaminated substances), injection (such as through wounds or medical procedures), and absorption through the skin or mucus membranes. Once inside, these materials can cause harm and trigger immune responses.

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14y ago

They are known as antigens and can cause different kind of abnormalities in bodies some of them are living called pathogens and some are chemical compounds generally comes under toxins.

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Q: How can foreign materials enter the body?
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Continue Learning about Natural Sciences

Where does the raw materials enter the plant?

roots


Are most pathogenic bacteria thermophiles?

in 5 degree c to 40 degree c


The what controls the materials that enter and leave the cell?

cell membrane


Why don't a women see male sperm as a foreign antigen?

They do. As soon as sperm enter the female's body, they are under attack. That's why only a few out of several million sperm actually make it to the egg.


Why is the white blood cell important?

White blood cells play a critical role in the body's immune system by helping to combat infections and foreign invaders, such as bacteria and viruses. They work to identify and destroy pathogens to keep the body healthy and functioning properly.

Related questions

What is 3 ways that foreign material can enter the body?

Foreign materials can enter the body through ingestion, inhalation, or injection. This can happen through consuming contaminated food or water, breathing in airborne particles or pollutants, or through broken skin that allows entry of foreign substances.


How do the necessary raw materials and harmful wastes enter and exit the cells in your body?

Raw materials and harmful wastes enter and exit the cells in your body by blood, the red blood carry oxygen from lungs to the body cells.


Do nostrils protect the respiratory system?

Nostrils are mainly what the human race breathes out of, but, other than that purpose, they also help protect it by: Having hairs: the hairs on the inside of your nose (Yes, everybody has them) trap foreign materials. Mucus: the mucus on the inside of your nose also traps foreign materials. This is also why we get allergies. Foreign materials enter and the body's response is to create mucus along the nostrils to protect your respiratory tract further.


What is the protective function of the mucus?

it somehow prevents foreign materials to get through the body.


What is classed as a foreign body?

A foreign body is called any intruding object originally originated from outside the own body. They can be swallowed or get into the own body from the rectum. Another possibility to enter would be by airways. Some examples of foreign bodies include coins or batteries.


What is foreign molecule?

A foreign molecule is a substance that is not naturally produced or recognized by the body. When foreign molecules enter the body, the immune system may identify them as threats and initiate an immune response to protect the body from potential harm.


What do lysosomes do for the animal cell?

Lysosomes are cell organelles that contain hydrolase enzyme that break down any waste materials or foreign materials that enter a living cell. So it is important to protect the cell from foreign elements including microorganisms like virus, bacteria, protozoa, fungi, etc. that could cause diseases in the living body and kill cells.


What defines the term routes of entry?

the pathways by which hazardous materials may enter the body


Why and how business enter and survive in foreign market?

Why and how business enter to survive in foreign market


What travels the body recohngizes foreign materials engulfs it and breaks it down using chemicals?

white blood cells


What are the functions of a white cell?

White blood cells defend the body against both infectious diseases and foreign materials.


What are the jobs of the white blood cells to the immune system?

They defend the body against both infectious disease and foreign materials.