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What are paranasal sinuses?
The paranasal sinuses are air-filled spaces inside the skull bones that open into the nasal cavity.
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Where are the paranasal sinuses located?
Inside the maxillary, frontal, ethmoid, and sphenoid bones of the skull.
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The pharynx is known as what?
- The throat
- Helps produce the sound of speech
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The Larynx is known as what?
The voice pipe
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Which part of the vocal cord is know as the true vocal cord?
- The lower folds
- These create sounds when air is forced between them, causing them to vibrate from side to side.
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What is the location of the thyroid gland?
- Just inferior to the larynx, and anterior to the trachea.
- It stores hormones produced by the follicle.
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What are the major endocrine glands?
- Thyroid gland
- Parathyroid gland
- Pituitary gland
- Adrenal gland
- Pineal gland
- Thymus
- Pancreas
- Reproductive glands
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Where is the parathyroid glands?
Posterior of the thyroid gland surface.
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What is the location of the thymus gland?
- In the thorax, anterior to the aorta, posterior to the upper sternum.
- Larger in children than adults.
- Secrets hormones called thymosins, which affects production and differentiation of lymphocytes.
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What is the major function of the lymphatic system?
- Production, maintenance, and distribution of lymphocytes.
- Another function is to transport excess fluid out of interstitial spaces in tissues and return it to the bloodstream.
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