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The following statements describe respiratory systems. Match the appropriate system from the list to each description. Some choices may be used more than once. -​utilizes a countercurrent exchange system A)respiratory surface B)gills C)bird lungs D)mammalian lungs

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Exhalation _____.


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

F) A) and D)
G) None of the above

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A unique feature of the diaphragm is that it is_____.


A) the only smooth muscle in the human body
B) the only smooth muscle that can be voluntarily controlled
C) only found in humans
D) the only skeletal muscle that is under involuntary control
E) easily replaceable

F) C) and E)
G) D) and E)

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​When the atria of the heart are full of blood, the ____ valves are closed.


A) atrioventricular​
B) ​aortic
C) ​pulmonary
D) ​pulmonary and aortic
E) ​atrioventricular and aortic

F) B) and D)
G) B) and E)

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Insects use _____ as a respiratory system.​


A) ​integument exchange
B) ​lungs
C) ​tracheal exchange
D) ​gills
E) ​capillary tubes

F) D) and E)
G) A) and C)

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The pulmonary circuit moves blood from _____.


A) the ventricle to the lungs and then back to the heart and then to the body tissues
B) the atrium to the lungs and then directly to the body tissues
C) the ventricle to the body tissue and then to the lungs
D) the atrium to the body tissue and then to the heart
E) the atrium to the lungs and then back to the heart and then to the body tissues

F) A) and B)
G) A) and C)

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Extra fluid that leaks out of the capillary bed enters the ____.


A) surrounding cells
B) lymphatic system
C) venules
D) capillary again
E) adjoining arterioles

F) A) and C)
G) B) and C)

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Identify the labeled structures of the circulatory system in the figure below. Identify the labeled structures of the circulatory system in the figure below.   a. artery b. endothelium c. capillary d. arteriole e. venule f. vein g. smooth muscle h. connective tissue -structure labeled  B a. artery b. endothelium c. capillary d. arteriole e. venule f. vein g. smooth muscle h. connective tissue -structure labeled "B"

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The following statements describe features of cardiovascular systems. Match the appropriate system from the list to each description. Some choices may be used more than once. -prevents oxygen-poor blood from flowing to tissues A)direct gas exchange B)open circulatory system C)two-chambered heart D)three-chambered heart E)four-chambered heart

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  -In the above diagram, C represents ____.​ 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​ -In the above diagram, C represents ____.​


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​

F) A) and B)
G) A) and C)

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The following statements describe features of cardiovascular systems. Match the appropriate system from the list to each description. Some choices may be used more than once. -hemolymph is pumped into vessels A)direct gas exchange B)open circulatory system C)two-chambered heart D)three-chambered heart E)four-chambered heart

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Blood pressure is lowest when ventricles are _____; this is known as _____. ​


A) fully relaxed; systolic pressure​
B) ​contracting; diastolic pressure
C) ​contracting; systolic pressure
D) ​fully relaxed; diastolic pressure
E) ​in transition; systolic pressure

F) C) and E)
G) C) and D)

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Identify the labeled structures of the circulatory system in the figure below. Identify the labeled structures of the circulatory system in the figure below.   a. artery b. endothelium c. capillary d. arteriole e. venule f. vein g. smooth muscle h. connective tissue -structure labeled  G a. artery b. endothelium c. capillary d. arteriole e. venule f. vein g. smooth muscle h. connective tissue -structure labeled "G"

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​The purpose of performing CPR on a person who has experienced sudden cardiac arrest is to ____.


A) restart their heart​
B) ​ensure an oxygen supply to their brain
C) ​keep their lungs inflated
D) ​restart their heart and ensure an oxygen supply to their brain
E) ​restart their heart and keep their lungs inflated

F) B) and D)
G) B) and E)

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The structure labeled "A" is the ____.


A) aorta
B) inferior vena cava
C) pulmonary artery
D) pulmonary vein
E) superior vena cava

F) A) and B)
G) A) and C)

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Blood flow distribution can be adjusted by changing the diameter of the ____.​


A) ​arteries
B) ​capillaries
C) ​arterioles
D) ​veins
E) ​venules

F) All of the above
G) A) and B)

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  -In the above diagram, the _____ is/are labeled with the letter  E.  A)  esophagus B)  larynx C)  trachea D)  epiglottis E)  bronchi -In the above diagram, the _____ is/are labeled with the letter "E."


A) esophagus
B) larynx
C) trachea
D) epiglottis
E) bronchi

F) A) and D)
G) B) and C)

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The driving force for blood circulation is ____.​


A) ​contraction of the atria
B) ​contraction of the ventricles
C) ​closing of the AV valves
D) ​opening of the AV valves
E) ​closing of the aortic valve

F) B) and D)
G) A) and B)

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The following statements describe features of cardiovascular systems. Match the appropriate system from the list to each description. Some choices may be used more than once. -circulatory pump in amphibians and lizards A)direct gas exchange B)open circulatory system C)two-chambered heart D)three-chambered heart E)four-chambered heart

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Frogs differ from other land vertebrates in that _____.


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

F) A) and D)
G) A) and C)

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