The mesenteric arteries branch off the abdominal aorta, but the mesenteric veins do not connect directly to the vena cava. Why?
What will be an ideal response?
The mesenteric veins merge into the hepatic portal vein before entering the liver. The liver dumps into the vena cava.
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Of the five types of secretory cells in the gastric glands, which ones secrete pepsinogen?
A. Chief cells B. Parietal cells C. Surface mucous cells D. Mucous neck cells E. Enteroendocrine cells
One of the functional characteristics of life is irritability. This refers to ________.
A) indigestible food residues stimulating the excretory system B) sensing changes in the environment and then reacting or responding to them C) the nervous system causing all living things to sometimes experience anger D) the necessity for all organisms to reproduce
What part of the brain plays a vital role in short-term memory involving the integration of various related stimuli and is also crucial for consolidation into long-term memory?
a. hippocampus b. basal nuclei c. cerebellum d. cerebral cortex e. hypothalamus
During normal, quiet breathing, the expiratory muscles are only minimally involved in the process of respiration.
Answer the following statement true (T) or false (F)