Each lung is situated within a subcavity of the thoracic cavity known as the:
A) pericardial cavity. B) abdominopelvic cavity.
C) peritoneal cavity. D) pleural cavity.
Answer: D
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The partial pressure of oxygen in arterial blood is approximately ________ mm Hg.
A) 45 B) 100 C) 50 D) 40 E) 70
Woven bone
A. is not easily restructured. B. is organized into thin sheets of tissue. C. is very light in weight. D. has its collagen fibers randomly oriented. E. has a porous appearance.
How does the CNS communicate with the rest of the body?
A. Through a network of fibrous interconnections between each organ and a specific target within the CNS B. Primarily through hormonal action C. Through a system of neuronal links known as connectors D. Through pathways that travel through white matter of the brainstem and spinal cord to connect various CNS regions with peripheral nerves E. Through direct connections based on a one nerve-one function process
Water may move through membrane pores constructed by transmembrane proteins called ________
Fill in the blanks with correct word