Which of the following emphasizes mechanism over purpose?
a. a person breathes to obtain oxygen.
b. a person sweats to cool off.
c. a person's stomach secretes digestive juices because it is stimulated by the nervous system.
d. a person's heart beats to pump blood.
e. a person's kidneys produce urine to eliminate wastes from the body.
C
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The meningeal layer of the dura mater, attaching anteriorly and posteriorly to the anterior and posterior clinoids that forms a roof for the pituitary gland, is the ____________________.
Fill in the blank(s) with the appropriate word(s).
Which type of epithelial tissue provides protection against respiratory infections, due to the presence of mucus and cilia?
A. Stratified squamous B. Simple squamous C. Stratified columnar D. Simple cuboidal E. Pseudostratified columnar
Which statement about a muscle's response to nerve stimulation is true?
A. A muscle's response to nerve stimulation is ultimately responsible for conductivity and contractility. B. A muscle's response to nerve stimulation is based on the threshold amount of acetylcholine fitting into receptors. C. A muscle's response to nerve stimulation is all or nothing. D. All of these answers are correct.
Which statement about the thymus is false?
A. The thymus is well developed at birth and continues to develop during adulthood. B. T cells migrate from the red bone marrow to the thymus gland where they mature. C. The thymus is located in the superior mediastinum between the sternum and the aortic arch. D. All of the statements are true.