Answer the following statements true (T) or false (F)
1. If an airborne performer wishes to maximize the number of revolutions she spins, she should extend the limbs as far from the axis of rotation as possible.
2. During skilled performance of a throw or strike, momentum is generally transferred from the more proximal segments to the more distal segments.
3. The angular analogue of Newton's second law can be stated algebraically as T=I?.
4. What has historically been referred to as centrifugal force, is really just inertia.
5. The principle moment of inertia of the human body is greatest around the anteroposterior axis.
1. FALSE
2. TRUE
3. TRUE
4. TRUE
5. TRUE
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Villi
A. are found throughout the gastrointestinal tract. B. generate movement of materials in the large intestine. C. increase surface area in the small intestine. D. contain both smooth and skeletal muscle fibers. E. All of the choices are correct.
Which cellular operation occurs in the smooth endoplasmic reticulum?
A) DNA replication leading to cell division B) synthesis of ribosomes via nucleoli C) synthesis of RNA D) manufacture of carbohydrates and lipids E) regulation of protein synthesis
Functions of the large intestine include
A) chemical digestion of chyme. B) temporary food storage. C) reabsorption of water and compaction of feces. D) absorption of the products of digestion. E) production of digestive enzymes.
Which of the following is NOT a tributary of the hepatic portal vein?
a. splenic vein b. inferior vena cava c. inferior mesenteric vein d. superior mesenteric vein