Once the embryonic mass has 12 or more cells, it is called a

A. morula.
B. gastrula.
C. blastula.
D. blastocyst.
E. trophoblast.


A

Anatomy & Physiology

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A/an ____________ is an instrument used to measure the air taken in and out of the lungs

Fill in the blank(s) with correct word

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Which of the following best describes hydroxyapatite?

A. Dissolved minerals in the tissue fluid B. Dissolved minerals in the blood plasma C. A secretion of the osteoclasts D. Calcium phosphate in the bone matrix E. Fibrous protein in the bone matrix

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A body in the prone position is ________.

A. face up B. lying on its left side C. lying on its right side D. face down

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Which abdominopelvic region is located directly lateral to the epigastric region?

What will be an ideal response?

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