In birds, one breathing cycle is made up of
a. one inspiration and one expiration.
b. one inspiration and two expirations.
c. two inspirations and two expirations.
d. two inspirations and one expirations.
e. two inspirations and three expirations.
C
You might also like to view...
The cup-shaped chamber, or the expanded end of a nephron, is known as the
A) glomerulus. B) glomerular capsule. C) proximal convoluted tubule. D) distal convoluted tubule. E) loop of Henle.
Decreased blood flow in response to enhanced tissue activity is called active hyperemia
a. True b. False Indicate whether the statement is true or false
All of the following are true about the cabbage water tests, except
A. baking soda is used in this experiment as an example of a basic substance. B. distilled water is used in this experiment as an example of a neutral substance. C. vinegar is added to one of the test tubes as an example of an acidic substance. D. red cabbage contains a pigment that functions as a colorimetric pH indicator. E. All of the choices are correct.
The inflation reflex
A) functions to increase ventilation with changes in blood pressure. B) alters pulmonary ventilation when the PO2 changes. C) alters pulmonary ventilation when the PCO2 changes. D) protects the lungs from damage during forced inspiration. E) is an important aspect of normal, quiet breathing.