Complex motor behavior such as walking depends on ________ patterns.
Fill in the blank(s) with the appropriate word(s).
fixed-action
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Identify the segment of the nephron that makes the final adjustments to the composition of tubular fluid
A) glomerular capsule B) proximal convoluted tubule C) nephron loop D) distal convoluted tubule E) collecting duct
Which steroid is secreted by the adrenal cortex to increase reabsorption of sodium ions?
A. Antidiuretic hormone B. Aldosterone C. Adrenaline D. Angiotensin
The choroid plexus
A) is the site of production of the cerebrospinal fluid. B) is located on the entire surface area of the brain-ventricle interface. C) is the site of drainage of used cerebrospinal fluid from neural tissues. D) is the site where the spinal nerves first enter the medulla. E) None of the answers are correct
Which of the following parasites is visible to the naked eye?
a. roundworm c. hookworm b. whipworm d. coccidian