Answer:
the larynx
Extends from the level of the 4th to the 6th cervical vertebrae attaches to the hyoid bone superiorly inferiorly is continuous with trachea
The agents of infection can be divided into different groups on the basis of their size, biochemical characteristics, or manner in which they interact with the human host. The groups of organisms that cause infectious diseases are categorized as bacteria, viruses, fungi, and parasites.
It should be noted that if a diploid sperm fertilized an haploid egg the result be a single 2n diploid cell called the zygote.
<h3>What is a zygote?</h3>
In fertilization, zygote can be regarded as a fertilized egg cell which form as a result of the union of a female gamete and a male gamete (sperm).
It is found during the embryonic development of humans and other animals.
Learn more about Zygote at;
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