Breathing, which involves the physical movement of air into and out of the lungs, is __________.
a. pulmonary ventilation
b. alveolar ventilation
c. internal respiration
d. gas diffusion
Answer: a. pulmonary ventilation
Anatomy & Physiology
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The esophagus
A. contains both smooth and skeletal muscle fibers. B. secretes digestive enzymes from its mucosa. C. is located anterior to the trachea. D. is lined with pseudostratified ciliated columnar epithelium. E. opens to the stomach at the pyloric sphincter.
Anatomy & Physiology
The duct initially draining bile from the gallbladder is the cystic duct.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
Which of the following is NOT a function of cell biology?
a. cell division c. flexion b. metabolism d. phagocytosis
Anatomy & Physiology
Until it leaves the body, urine is held by the:
a. urethra b. urinary bladder c. ureter d. nephron
Anatomy & Physiology