A) a closed circulatory system with one heart
B) an open circulatory system with one heart
C) a closed circulatory system with a three-chambered heart
D) an open circulatory system with a two-chambered heart
E) a closed circulatory system with a four-chambered heart
Correct Answer
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Multiple Choice
A) is always active
B) is always passive
C) may be both active and passive
D) compresses alveoli
E) may be both active and passive and compresses alveoli
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Multiple Choice
A) have a large nucleus when they enter circulation
B) do not have a nucleus when they enter circulation
C) are the only cells to lack hemoglobin
D) develop in the yellow marrow
E) function as part of the immune system
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verified
Multiple Choice
A) large diameter blood vessels
B) capillary beds
C) the zone of diffusion of gases and nutrients
D) the heart
E) capillary beds and the zone of diffusion of gases and nutrients
Correct Answer
verified
Multiple Choice
A) closing of the atrioventricular valves
B) closing of the pulmonary valve
C) closing of the aortic valve
D) the contraction of the left ventricle
E) the contraction of the right ventricle
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Multiple Choice
A) integument exchange
B) l ungs
C) tracheal exchange
D) g ills
E) capillary tubes
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Multiple Choice
A) mountain bluebird
B) fire-bellied toad
C) trout
D) lobster
E) cod
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Multiple Choice
A) atrioventricular
B) aortic
C) pulmonary
D) aortic and pulmonary
E) atrioventricular and aortic
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Multiple Choice
A) atherosclerosis
B) sudden cardiac arrest
C) congenital heart defects
D) coronary heart diseases
E) hypertrophic cardiac defects
Correct Answer
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Multiple Choice
A) the circulatory system does not play a role in respiration
B) they can also exchange gases through their skin
C) the respiratory surface is in their gills
D) they do not possess lungs
E) they take in oxygen through lungs but release carbon dioxide from gills
Correct Answer
verified
Multiple Choice
A) large diameter blood vessels
B) capillary beds
C) the zone of diffusion of gases and nutrients
D) the heart
E) capillary beds and the zone of diffusion of gases and nutrients
Correct Answer
verified
Multiple Choice
A) lungs
B) gills
C) skin
D) gastrovascular cavities
E) trachea
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Multiple Choice
A) too many or abnormal red blood cells
B) too few or abnormal white blood cells
C) too few or abnormal red blood cells
D) too many or abnormal white blood cells
E) a form of leukemia
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Multiple Choice
A) downward; outward
B) outward; downward
C) outward; outward
D) downward; downward
E) outward; upward
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Multiple Choice
A) bronchi
B) bronchioles
C) diaphragm
D) alveoli
E) trachea
Correct Answer
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Multiple Choice
A) only oxygen-rich blood flows to tissues
B) blood pressure in the separate circuits is not independently controlled
C) two separate circuits are possible
D) lungs are only possible with a four-chambered heart
E) blood oxygenates more quickly
Correct Answer
verified
Multiple Choice
A) arteries
B) capillaries
C) arterioles
D) veins
E) venules
Correct Answer
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Multiple Choice
A) right ventricle
B) left atrium
C) left ventricle
D) right atrium
E) superior vena cava
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Matching
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Matching
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