The respiratory system contains a total of five __________.
A. segmental bronchi
B. choanae
C. laryngeal cartilages
D. lobes
E. tracheal cartilages
D. lobes
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An atom of oxygen has an atomic number of 8 and a mass number of 18. How many of each type of subatomic particle does it contain?
What will be an ideal response?
To compensate for significant blood loss, the autonomic nervous system triggers
A. vasoconstriction and an increase in heart rate. B. vasoconstriction and a decrease in heart rate. C. vasodilation and an increase in heart rate. D. vasodilation and a decrease in heart rate.
The optic canal is part of the sphenoid bone.
Answer the following statement true (T) or false (F)
Which of the following can flex the vertebral column?
A) iliocostalis cervicis B) longissimus thoracis C) iliocostalis lumborum D) multifidus E) longus colli