Circulatory System – Chapter 40 Exam
Authored by Kirsten Jones
Biology
University
NGSS covered
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do complex multicellular organisms need a circulatory system?
To keep the heart beating
Because diffusion alone is too slow
To absorb light for photosynthesis
To control skeletal movement
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is not a basic component of a circulatory system?
Circulatory fluid
Pump
Nerve cells
Vessels
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of an open circulatory system?
Blood flows in enclosed vessels only
Found in vertebrates
Uses hemolymph
High pressure system
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hemolymph is:
The fluid between cells
Found in closed circulatory systems
A mix of blood and interstitial fluid
Only present in vertebrates
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main cavity where hemolymph bathes organs directly?
Aorta
Hemocoel
Vena cava
Pulmonary loop
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following organisms has a closed circulatory system?
Insects
Most mollusks
Cephalopods
Crustaceans
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Plasma is:
The solid part of blood
Found only in open systems
The fluid part of blood
Same as interstitial fluid
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