Which of the following tissues has a matrix arranged in concentric circles around a central canal that has blood vessels running through it?
A. Hyaline cartilage
B. Osseous tissue
C. Elastic cartilage
D. Dense regular connective tissue
E. Nervous tissue
Answer: B
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A ________ is a substance that dissolves when added to a solvent
A) molecule B) buffer C) solute D) compound
Arrange the following to reflect the correct sequence an action potential would follow to reach the olfactory cortex of the brain:
(1) olfactory bulb (2) olfactory cortex (3) olfactory epithelium (4) olfactory tract A. 1, 2, 3, 4 B. 3, 4, 1, 2 C. 1, 4, 2, 3 D. 3, 1, 4, 2 E. 4, 3, 2, 1
Vitamin A is an antioxidant.
Answer the following statement true (T) or false (F)
When this large muscle contracts, the vertical dimensions of the thoracic cavity increase.
a. external intercostal b. internal intercostal c. diaphragm d. transversus thoracis