Which structures in the trachea prevent its collapse or overexpansion as pressures change in the respiratory system?
a. C-shaped tracheal cartilages
b. S-shaped tracheal bones
c. O-ringed tracheal cartilages
d. irregular circular bones
Answer: a. C-shaped tracheal cartilages
Anatomy & Physiology
You might also like to view...
In general, dorsal intrinsic muscles of the foot result in extension of the toes while plantar muscles flex the toes.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
Psoriasis is a common chronic skin disorder that is characterized by red patches covered by thick, dry, and silvery scales
a. True b. False Indicate whether the statement is true or false
Anatomy & Physiology
A dermatome is a nerve innervating a specific region in the skin
Indicate whether the statement is true or false
Anatomy & Physiology
Antibodies are:
A) foreign substances to the body B) formed against one's own cells C) immunoglobulins D) antigens
Anatomy & Physiology