Introduction To The Human Body Review Question Preview (ID: 57458)


Levels Of Organization Body Systems Homeostasis Negative Feedback Loops. TEACHERS: click here for quick copy question ID numbers.

Which body system triggers your heart to race when you are scared?
a) Circulatory
b) Respiratory
c) Endocrine
d) Lymphatic

In a negative feedback loop, the Set Point represents the variable's current value.
a) True
b) False
c)
d)

A tissue can be made up of many different types of cells with the same purpose.
a) True
b) False
c)
d)

Homeostasis is:
a) All the systems of the body put together
b) The ability of an organism to maintain a stable internal environment
c) The balance between all the systems of the body
d) Eating good food and drinking enough water

The control of body temperature, heart rate, and the concentration of sugar in the blood are all regulated by:
a) The Circulatory System
b) Positive Feedback Loops
c) Negative Feedback Loops
d) The balance between the Nervous and Circulatory Systems

When the body gets too cold, why does body hair stand on end?
a) To cool down the skin by releasing warm air
b) To warm the skin by friction
c) To trap warm air next to the skin
d) To warm up the skin through evaporation

Exchange of oxygen and carbon dioxide occurs in the:
a) Circulatory System
b) Respiratory System
c) Muscular System
d) Digestive System

In a negative feedback loop, the job of the effector is to:
a) compare the stimulus to the set point
b) detect changes in the variable
c) move the variable towards the set point
d) stop the loop

The average core body temperature is:
a) 96 degrees Fahrenheit
b) 98.6 degrees Fahrenheit
c) 96.8 degrees Fahrenheit
d) 98.6 degrees Celsius

Protection of the body's important organs is this system's job.
a) Skeletal
b) Integumentary
c) Muscular
d) Nervous

When a toilet is being flushed, the lower water level represents which part of the feedback loop?
a) Response
b) Effector
c) Stimulus
d) Set Point

If homeostasis is not working in a body, the body will:
a) not be affected
b) become weaker
c) die
d) get sick, but will recover

An organ can be made up of different tissues with different functions.
a) True
b) False
c)
d)

When a cell produces waste, the waste is carried away by the:
a) Circulatory System
b) Respiratory System
c) Endocrine System
d) Lymphatic System

A negative feedback loop will stop when:
a) The receptor increases the response
b) The control center is told to by the receptor
c) The response equals the set point
d) The effector increases the variable

When you are running on a hot day, you will begin to:
a) sweat
b) breathe faster
c) turn red
d) all of the above

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