Answer the following statements true (T) or false (F)
1. The mediastinum is in both the ventral and thoracic cavities.
2. The pleural cavity is in both the thoracic and dorsal cavities.
3. The brain and spinal cord are in the dorsal cavity.
4. The cranial cavity contains the brain and spinal cord.
5. The upper abdominopelvic area consists of the right and left hypogastric and the epigastric regions.
1. TRUE
2. FALSE
3. TRUE
4. FALSE
5. FALSE
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Which structure in the figure is the main duct for the return of lymph to the blood?
a) A b) F c) G d) C e) H
Explain why blood is classified as a connective tissue.
What will be an ideal response?
Which of the following is true of the pulmonary pressures?
A. Because of pneumothorax, intrapleural pressure equilibrates with atmospheric pressure. Without the positive force of alveolar pressure pushing the lung outward, the lung collapses due to elastic recoil forces. B. Intrapleural pressure is always positive so that the pleural membranes remain in contact. C. An increase in transpulmonary pressure creates a larger collapsing pressure across the lungs, which is accompanied by the contraction of the lungs (alveoli). D. The difference between intra-alveolar pressure and atmospheric pressure is the pressure gradient that drives ventilation.
As the luteal phase ends, menstruation occurs.
a. true b. false