Final answer:
The chemoreceptor trigger zone is also known as the 'area postrema,' located in the medulla oblongata and involved in detecting toxins and initiating vomiting. Chemoreceptors, found in structures such as taste buds, are sensitive to chemical stimuli that allow us to taste, smell, or feel pain.
Step-by-step explanation:
The chemoreceptor trigger zone is also known as the 'area postrema.' It is found in the medulla oblongata of the brain and it serves as a key site for the detection of toxins and the initiation of the vomiting reflex. Chemoreceptors are sensory receptor cells that are sensitive to chemical stimuli, which can be involved in various functions such as taste, smell, or pain. For example, the taste buds contain chemoreceptor cells that sense chemicals in food, giving us the ability to taste.
Another example of chemoreceptors in the human body includes the chief sensory nucleus, which is a component of the trigeminal nuclei located in the pons that plays a role in processing sensory information.