During the fetal period, there is an opening between the right and left atrium called the __________ __________.
Fill in the blank(s) with the appropriate word(s).
foramen ovale
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Which of the following would be most associated with process of warming and humidifying inhaled air?
A) the paranasal sinuses B) the bones comprising the orbits C) the cranial bones D) hyoid bone
Blood leaving the heart in the pulmonary arteries has a relatively
A) high oxygen level. B) low carbon dioxide level. C) high pH level. D) low oxygen level. E) None of the answers are correct.
An autoimmune condition that leads to destruction of the glomeruli is __________.
Fill in the blank(s) with the appropriate word(s).
Insects prevent water loss and disturbance in the osmotic balance in cells by
a. having a water-proof cell wall around each cell. b. having a cuticle that makes the body water-proof. c. having an outer epidermis made of keratinized cells. d. having equal concentration of molecules in ECF and ICF.