BSCS Biology: A Molecular Approach

Chapter 7: Transport Systems

Transport Systems in Animals

1.
A closed circulatory system means that the blood is confined to ________.
A)the body cavity
B)the vessels
C)internal organs
D)the sinuses
2.
What sort of blood vessel is the aorta?
A)capillary
B)artery
C)gill
D)vein
3.
The illustration

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portrays ventricular systole. What are the ventricles doing?
A)breathing
B)relaxing
C)filling
D)contracting
4.
How does heart muscle differ from skeletal muscle?
A)it has softer tissue
B)it contracts involuntarily
C)it holds more blood
D)it is lighter in weight
5.
Who was the scientist credited with discovering that blood circulates around the body?
A)Schleiden
B)Malpighi
C)Harvey
D)Hooke
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