Circulatory systems
A) are found in small, simple animals.
B) result in slow distribution of nutrients and gases.
C) include one or more hearts.
D) are always closed systems.
E) are all of these.
Correct Answer:
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Q1: Smoking cigarettes can leato which of thfollowing?
A)immobilization
Q2: Amphibian anmost reptiles have
A)a two-chambered heart with
Q3: Smokfroonly oncigarettwill immobilizcilia for
A)minutes.
B)days.
C)hours.
D)forever.
E)weeks.
Q4: In thabovdiagram, C represents which of thfollowing
Q5: Which of thfollowing organisms has a closecirculatory
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