Cerebrospinal fluid circulates within the ventricles of the brain and in the subarachnoid space
Indicate whether the statement is true or false
TRUE
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The higher the concentration of a substance in the blood, the greater its transport maximum is
Indicate whether this statement is true or false.
Segmentation contractions:
a. occur in the stomach b. are suppressed by acetylcholine c. are initiated by pacemaker cells d. occur in the colon e. quickly propel chyme through the small intestines
What structures fuse during female development to form the uterus?
A. The anterior ends of the Wolffian ducts B. The superior ends of the mesonephric ducts C. The posterior ends of the gubernaculum D. The caudal ends of the paramesonephric ducts
The optic disc
A. is located in the vascular tunic. B. is the site of greatest visual acuity. C. is also called the macula lutea. D. is on the anterior surface of the eye. E. contains no photoreceptor cells.