What is the function of nostrils in the respiratory system? Where does the respiratory system start? What is the medullary respiratory center? Is the trachea part of the upper respiratory system? What organ system includes the nasal cavity, the lungs and the trachea?
Is the trachea an organ system? Are any internal organs part of the integumentary system? Is the central nervous system an organ? Is the spinal cord an organ system? Is the hypothalamus an organ? What organs are in the digestive system?
Within your throat are two muscular tubes: your esophagus and your trachea. The esophagus is part of your digestive system, and connects your throat, or pharynx, to your stomach. The trachea is part of your respiratory system, which leads to your lungs. The larynx sits between the throat an...
It is used to produce sounds, as well as to block out any small particles of food that might otherwise enter the airway. Vocal cords, or folds, located within the larynx control the volume or pitch of the voice. They are located directly above the esophagus and trachea. This is where ...
The trachea divides to enter each of the two lungs and then divides more than 20 times to form a very large number of small air spaces. Oxygen from the air enters the blood through capillaries in the walls of these air spaces, and the blood release carbon dioxide into the air spaces to...
1、What is the smallest identifiable piece of a program source? A、Lexeme B、Keyword C、Token D、Handle Answer:A 2、What was the last battle of the Napoleonic Wars? A、Battle of the Nile B、Battle of the Trafalgar C、Battle of Waterloo ...
The infrahyoid muscles lie in front of the gland and the sternocleidomastoid muscle to the side. Behind the outer wings of the thyroid lie the two carotid arteries. The trachea, larynx, lower pharynx and esophagus all lie behind the thyroid. In this region, the recurrent laryngeal nerve and ...
primary function is to keep the contents of the stomach out of the esophagus and thetrachea, orwindpipe. The LES is made of smooth muscle tissue and its function is involuntary. Weakening of the lower esophageal sphincter can lead to a severe condition called gastroesophageal reflux disease(GERD...
The larvae then migrate up the trachea and are swallowed, ultimately returning to the small intestine. During this migration the worms undergo a series of developmental molts and eventually become adults. Light to moderate infections with Ascaris may be asymptomatic, whereas heavy infections may cause...
The trachea and pharynx were examined, and no sign of foreign body, or ulceration, or other morbid change, was observed. There was no sign of injury to the scalp or skull. The dura mater was normal. There was considerable subarachnoid effusion, chiefly over the posterior half of the ...