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The trachea is structured in a way so that an individual can breathe at all times (in/voluntarily). The tracheal rings allow the trachea to stay open so that a person can breathe. The esophagus is flat b/c it is strictly for the passage of food, so it is not used as often as the trachea.
What else can I help you with?
What is the function of the cartilage surrounding the trachea?
they hold the trachea open, otherwise it would be squeezed flat like the esophagus when it is empty. the trachea also has bands of smooth muscle that allow the esophagus to expand into the trachea when swallowing. this is why you cant breathe and swallow at the same time.
Can testosterone reduce breast size?
yes it will and you may have flat chest and be muscular
The ventral body cavity is divided by a flat muscular sheet called?
The diaphragm.
The diaphragm a flat muscular sheet divides the ventral body cavity into a?
into the thoracis and abdominopelvic cavity.
What does a straight line on an ECG represent?
A flat section of line indicates no muscular activity in the heart at that particular instant; a constantly flat line indicates heart failure.
What is the difference between rigid and flexible flat feet?
The main distinction between rigid and flexible flat feet is that the former have an arch visible when the foot is not bearing weight (such as when sitting or standing on tiptoes) but collapse when standing, whereas the latter have no arch at all, regardless of whether weight is being placed on the foot.
Why you need to wear suitable shoes when you driving?
Flat-soled, rigid shoes let the driver have more control over the pedals.
What is a flat part of the earth called?
The lithosphere is the rigid outermost shell of a rocky planet. On Earth, it comprises the crust and the portion of the upper mantle
What type of bone is used for protection-?
Skull and Ribcage!
What is the maximum outboard for a flat force 3 rigid inflatable boat?
It is a 25hp outboard. this will get it on the plane pretty quick, i have one myself and it goes around 25-30 knots
Why do girls only like muscular boys?
i do take my girl as an example. She alway have fantacies in well muscluar guys. Initially,i was worried because i felt jeolous. But when she made me build my body into a good muscular physique, i began to notice that too many girl want to be with me to rub my chest and abs. So i think most girls like muscular flat abs guys dan d ones with pot belly
What body system is the pectoral in?
Breasts are in the Reproductive System ( female) of the body. Mammary glands produce milk to nourish the newborn.
