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Biology Test 3 Iclicker Questions (1
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Biology Test 3 Iclicker QuestionsWhat is the first location for chemical digestion in the human digestive system? -
CORRECT ANSWER-Mouth
Where is the bolus formed in? - CORRECT ANSWER-Mouth
Folds, villi, and microvilla characteristic of the small intestine are important for: -
CORRECT ANSWER-Increasing surface area for absorption of nutrients.
Bile salts__ lipids and aid in their chemical breakdown. - CORRECT
ANSWER-Emulsify
Protein digestion begins in the __ and is initiated by the hormone gastrin. -
CORRECT ANSWER-Stomach
Birds lack teeth and mechanically break food down in the... - CORRECT
ANSWER-Gizzard
Red blood cells are important for transport of: - CORRECT ANSWER-Oxygen
Which functions of the circulatory system is the blood plasma involved in? -
CORRECT ANSWER-Transport, Regulation, Protection
In the human heart, blood flows from the __ to __ - CORRECT ANSWER-Atria to
Ventricles
The pulmonary arteries: - CORRECT ANSWER-Carry blood from the heart to the
lungs
During the systolic phase of the cardiac cycle, the heart chamber is: - CORRECT
ANSWER-Contracting
What is microscopic, thin walled, and allow for diffusion? - CORRECT
ANSWER-Capillaries
What is false? - CORRECT ANSWER-Bronchioles branch into the bronchi
PO2 is lower at high altitudes because of? - CORRECT ANSWER-The air pressure
is lower
When your diaphragm contracts, the thoracic cavity enlarges and ___ occurs. -
CORRECT ANSWER-Inhalation
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