As stress levels rise in animals, activity levels of the sympathetic nervous system ________________________________________
Fill in the blank(s) with correct word
increase
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Prions are infectious proteins within cells that cause normal proteins to misfold and clump together. Prions can occur as a result of a mutation or ingestion, e.g., Mad Cow disease (eating infectious beef from an animal with the disease). Creutzfeldt-Jakob disease and scrapie are prion diseases in both animals and humans. The diseases are progressive, have no cure, and end in death. Using your chemistry knowledge, explain the devastating effects of these diseases.
What will be an ideal response?
Which of the following is not a form of lung cancer?
A) adenocarcinoma B) Kaposi's sarcoma C) small cell carcinoma D) squamous cell carcinoma
The fibrous skeleton of the heart is important because it
A) helps guide the blood into the proper chambers in sequence. B) transmits electrical activity from the atria to the ventricles. C) directs the flow of blood into the arteries. D) forces electrical activity to be conducted through the atrioventricular node.
Surgical incision of the abdominal wall to remove the fetus is called a(n) ________.
Fill in the blank(s) with the appropriate word(s).