A/an ________ is a ball of 16 or more cells produced by the process of cleavage.
Fill in the blank(s) with the appropriate word(s).
morula
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Which is not a cranial bone?
A. Vomer B. Frontal C. Occipital D. Temporal E. Parietal
When contracted, this muscle causes expansion of the thoracic cavity and increases pressure in the abdominopelvic cavity. Its insertion is on a central tendon
A. Internal intercostals B. External intercostals C. Transversus thoracis D. Diaphragm E. Serratus posterior inferior
Which vein or veins drain the head, neck, and upper extremities?
a. jugular veins b. azygos vein c. subclavian veins d. brachiocephalic veins
The macula densa cells at the junction of the Loop of Henle and distal tubule respond to:
a. Speed of filtrate flow b. Osmolarity of filtrate c. Glomerular blood pressure d. Both a and b