First Line of Body Defence

which one is not mechanism of first line of defence.

• lysozyme

• mucous membrane

• inflammation

• hydrochloric acid

choose the correct mechanism of skin in immunity in human.

• • Acts as a chemical shield through the secretion of sebum. Oil and acid in sebum prevent bacteria growth.

  • Sweat contain lysozyme.

• In the stomach destroys bacteria present in food and drinks

• Lines the respiratory tract secretes a sticky fluid called Mucus. Mucus contain lysozyme that destroys bacteria found in the air that enters our respiratory system

Which one the correct mechanism of hydrochloric acid as the first line of defence in human.

• Lines the respiratory tract secretes a sticky fluid called Mucus. Mucus contain lysozyme that destroys bacteria found in the air that enters our respiratory system

• In the stomach destroys bacteria present in food and drinks

• Found in the secretion of tears, nasal mucus and saliva An antimicrobial protein that dissolve and destroy some type of bacteria.

which is the correct mechanism of lysozyme as the first line of defence in human.

• Found in the secretion of tears, nasal mucus and saliva An antimicrobial protein that dissolve and destroy some type of bacteria.

• In the stomach destroys bacteria present in food and drinks

• Prevent bacteria from entering though wounds

the meaning of pathogen

• body ability to fight infections cause by bacteria

• defence line that is not specific and act to prevent pathogens from entering the body

• a microorganism that causes disease.

  example, bacteria, viruses or parasite.

the correct function of mechanism of blood clotting as the first line of defence in human.

• Prevent bacteria from entering though wounds

• Physical defence : tough and difficult for microorganisms to penetrate Continuous shedding of dead cell layers on the skin surface(make it difficult for various type of microorganism to grow)

• Found in the secretion of tears, nasal mucus and saliva An antimicrobial protein that dissolve and destroy some type of bacteria.

the correct mechanism of mucous membrane as the first line of defence in human.

• Found in the secretion of tears, nasal mucus and saliva An antimicrobial protein that dissolve and destroy some type of bacteria.

• Prevent bacteria from entering though wounds

• Lines the respiratory tract secretes a sticky fluid called Mucus. Mucus contain lysozyme that destroys bacteria found in the air that enters our respiratory system

• • Acts as a chemical shield through the secretion of sebum. Oil and acid in sebum prevent bacteria growth.

  • Sweat contain lysozyme.