The epiglottis
The cartilage in the throat that guards the entrance to the trachea and prevents fluid and food from entering it when a person swallows is known as the epiglottis
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The epiglottis is an elastic flap located at the upper end of the larynx in the throat. The epiglottis is the valve that turns passage to either the esophagus or the trachea. The epiglottis allows air to enter the airway to the lungs during breathing, and during swallowing, it allows food and fluids to pass into the gastrointestinal tract.
Answer:
Chromosomes are a threadlike interrelation of nucleic acids along with protein that is found in the nucleus of most/more of living cells and organisms that carries genetic info in the form of genes.
Chromosomes are what give us our characteristics. In the process of reproducing, the father's DNA will travel through the sperm to the eggs. These eggs, being in the mother, will have her DNA as well. Combining these DNA strands, it can make the hair color of a child, the eye color, ethnicity, and skin color.
Answer:
Antibodies.
Explanation:
The generation of an immune response requires an antigen. The antigen may be any pathogenic organism or any chemical that are capable of evoking an immune response.
Antibodies are produced by the body to kill the antigen. The scientist should use an specific antibody to know the type of bacteria that infects the throat. The component of the pill should be antibody.
The experiment must be the same each time to get reliable results
