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What prevents food from entering the lungs during the process of swallowing?
The epiglottis, a flap of tissue in the throat, prevents food from entering the lungs during swallowing by covering the opening to the windpipe.
What barriers does the human body have to prevent pathogens entering?
The most obvious is the physical barrier - one's skin. The body also has enzymes such as lysozyme and defensins, which are secreted on the exterior, and kill bacteria. The acid in the stomach also kills most pathogens, and the lining of the intestines prevents many pathogens from entering the blood stream from the gut. In the blood, there are immune cells which mark and attack invading pathogens too. It's therefore astonishing that pathogens have evolved mechanisms to evade or counter all of these defences.
The casparian strip prevents water and minerals from entering the stele through?
The casparian strip is a waterproof barrier in the endodermis of plant roots that blocks the passive flow of water and minerals between cells. This ensures selective uptake of essential nutrients and prevents harmful substances from entering the stele.
Which part of the body acts as the main barrier to microorganisms?
The skin acts as the main barrier to microorganisms. It is a physical barrier that prevents pathogens from entering the body. Additionally, the skin's acidic pH, sebum production, and resident microbiota all contribute to creating an inhospitable environment for microorganisms.
What is the name of the structure that prevents fluid from entering the nasopharynx during swallowing?
The uvula flips up during swallowing to prevent fluid from entering the nasopharynx.
What is the main of flame trap?
A device that prevents a gas flame from entering the supply pipe.A device that prevents a gas flame from entering the supply pipe.
When an employer prevents workers from entering their workplace it is called what?
When an employer prevents workers from entering their workplace it is called a lockout.
The skin acts as a physical barrier and prevents foreign substances entering the body In which system is the skin playing a role by performing this function?
immune
When an employer prevents workers from the entering their workplace it is called an?
lockout
The skin acts as a physical barrier and prevents foreign substances entering the body. In which system is the skin playing a role by performing this function?
immune system
Which structure prevents food from entering the air?
The epiglottis.
What is the purpose of the amendment that prevents soldiers from entering your home?
The purpose of the amendment that prevents soldiers from entering your home is to protect individuals from unwarranted intrusion and ensure their privacy and security.
What type of system keeps any additional atoms out and prevents heat from entering or exiting?
A closed system is designed to keep additional atoms from entering or exiting. An insulated system prevents heat from entering or exiting.
What prevents food from entering the lungs during the process of swallowing?
The epiglottis, a flap of tissue in the throat, prevents food from entering the lungs during swallowing by covering the opening to the windpipe.
When an employer prevents workers from entering their workplace it a called a?
lockout
What part of a cell prevents water from the entering the cell?
Phospholipids
What prevents food and water entering the trachea and pharynx?
epiglottis
