The lumbar and cervical curves of the vertebral column are called

A) secondary curves.
B) primary curves.
C) quaternary curves.
D) tertiary curves.
E) None of the answers are correct.


A) secondary curves.

Biology & Microbiology

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The taxonomic category that includes species of apes, humans, and their ancestors is the ___________

A. hominids D. hominanies B. hominins E. homanities C. hominoids

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Which one of the following ions outside the neuron would make it very difficult for a depolarization to occur?

A) potassium B) sodium C) chloride D) manganese

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Osteoporosis may result if the activity of osteoclasts outstrips the activity of osteoblasts

Indicate whether the statement is true or false

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