Which progression represents the correct hierarchy of organization, from simpler to more complex?
a. atom, cell, tissue, organ, system, organism
b. tissue, cell, system, organism, organ, body
c. system, atom, cell, organ, tissue, organism
d. atom, molecule, compound, cell, body, organism
e. chemical, cell, organ, tissue, system, organism
a
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Which is not correct regarding the spleen?
A. Its white pulp consists of lymphatic cells. B. It has an outer cortex and inner medulla. C. It is divided into sections by capsular extensions called trabeculae. D. Its blood is supplied by the splenic artery and drained by the splenic vein. E. It stores erythrocytes.
The middle cerebral peduncles connect the cerebellum to the
A. spinal cord. B. pons. C. medulla. D. midbrain. E. diencephalon.
In fetal development, hemocytoblasts begin to colonize red mone marrow at approximately
A. 10 weeks. B. 10 days. C. 8 months. D. 5 months.
What type of receptor detects pressure?
A. Photoreceptors B. Mechanoreceptors C. Nociceptors D. Thermoreceptors