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Introduction To The Human Body Review
Test Description: Levels of Organization Body Systems Homeostasis Negative Feedback Loops
Instructions: Answer all questions to get your test result.
1) Which body system triggers your heart to race when you are scared?
A
Respiratory
B
Endocrine
C
Circulatory
D
Lymphatic
2) In a negative feedback loop, the Set Point represents the variable's current value.
A
True
B
False
3) A tissue can be made up of many different types of cells with the same purpose.
A
True
B
False
4) Homeostasis is:
A
The ability of an organism to maintain a stable internal environment
B
Eating good food and drinking enough water
C
All the systems of the body put together
D
The balance between all the systems of the body
5) The control of body temperature, heart rate, and the concentration of sugar in the blood are all regulated by:
A
Negative Feedback Loops
B
The Circulatory System
C
The balance between the Nervous and Circulatory Systems
D
Positive Feedback Loops
6) When the body gets too cold, why does body hair stand on end?
A
To trap warm air next to the skin
B
To cool down the skin by releasing warm air
C
To warm up the skin through evaporation
D
To warm the skin by friction
7) Exchange of oxygen and carbon dioxide occurs in the:
A
Digestive System
B
Muscular System
C
Circulatory System
D
Respiratory System
8) In a negative feedback loop, the job of the effector is to:
A
move the variable towards the set point
B
compare the stimulus to the set point
C
stop the loop
D
detect changes in the variable
9) The average core body temperature is:
A
96.8 degrees Fahrenheit
B
96 degrees Fahrenheit
C
98.6 degrees Fahrenheit
D
98.6 degrees Celsius
10) Protection of the body's important organs is this system's job.
A
Nervous
B
Muscular
C
Integumentary
D
Skeletal
11) When a toilet is being flushed, the lower water level represents which part of the feedback loop?
A
Effector
B
Set Point
C
Response
D
Stimulus
12) If homeostasis is not working in a body, the body will:
A
get sick, but will recover
B
not be affected
C
become weaker
D
die
13) An organ can be made up of different tissues with different functions.
A
False
B
True
14) When a cell produces waste, the waste is carried away by the:
A
Lymphatic System
B
Respiratory System
C
Circulatory System
D
Endocrine System
15) A negative feedback loop will stop when:
A
The control center is told to by the receptor
B
The response equals the set point
C
The receptor increases the response
D
The effector increases the variable
16) When you are running on a hot day, you will begin to:
A
sweat
B
turn red
C
all of the above
D
breathe faster
*select an answer for all questions
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