Which of the following is afunction of the digestive system?

breaking down food so thebody can use it

How does the skin helpregulate body temperature?

by enabling excess heat toescape from the body

How does exercise helpmaintain healthy bones?

by making bones growstronger and denser

During exercise, the heartbeats faster. How does this help the body?

It provides muscle cells with additional oxygen.

The endocrine systemproduces chemicals that

control dailyactivities & long-term changes through hormones

How does the skin protectthe body from disease?

by keeping disease-causingmicroorganisms from entering body

How do pairs of skeletalmuscles work together?

One muscle contracts, the other returns to original length.

One function of the skeleton is to

provide shape and supportfor the body.

The heart is an organ because it

is made up of different kinds of tissues

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Introduction to the Human Body

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Chapter 4 Test Review for Intro to Human Body

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Questions 27

Answers

1
Process where anorganism’s internal environment is stable in spite of changes in theexternal
respiration.
digestion.
healing.
homeostasis.
2
Which of the following is afunction of the digestive system?
obtaining oxygen
breaking down food so thebody can use it
guarding against infectionand injury
regulating body temperature
3
The body part where twobones come together is a
bone.
joint.
muscle.
ligament.
4
A function of thecirculatory system is to
transport oxygen.
store minerals.
provide shape and supportfor the body.
send signals to the brain.
5
Which type of muscle isfound only in the heart?
cardiac muscle
soft muscle
smooth muscle
voluntary muscle
6
How does the skin helpregulate body temperature?
by removing wastes from thebody
allowing body temp to change when the weather changes
by blocking informationabout the environment
by enabling excess heat toescape from the body
7
What is a stimulus?
a Check
An effect
a cold front
A cause
8
An effect of long-termstress is
body functions becomebalanced.
homeostasis is disrupted.
immunity is strengthened.
general health improves.
9
How does exercise helpmaintain healthy bones?
by decreasing the need forphosphorus in the bones
by making bones producestronger outer membranes
by making bones growstronger and denser
by decreasing the need forcalcium in the bones
10
The bones that form thebackbone are called
vertebrae
tibia
metatarsals
carpals
11
All of the following canhelp you prevent getting a cold except
socializing.
worrying.
getting enough sleep.
exercising.
12
During exercise, the heartbeats faster. How does this help the body?
It helps the body digest more food.
It provides muscle cells with additional oxygen.
It carries digestive juices to cells in the small intestine.
It lowers the blood pressure.
13
Messages are carried backand forth between the brain and other parts of the body by
digestive system
respiratory system
nervous system
circulatory system
14
The endocrine systemproduces chemicals that
require a system of nervesto control many body activities
begin to function afterpuberty.
control dailyactivities & long-term changes through hormones
travel to selectedlocations through tiny tubes.
15
How does the skin protectthe body from disease?
by supplying water to thebody through the pores
by increasing bodytemperature when it is cold
by gathering informationabout the environment
by keeping disease-causingmicroorganisms from entering body
16
Involuntary muscles in stomach that move food through your digestive system are an example of
skeletal muscle.
smooth muscle.
striated muscle.
cardiac muscle.
17
Which type of human body tissue can contract, or shorten?
epithelial tissue
connective tisssue
muscle tissue
nerve tissue
18
What is a response?
An effect
A cause
A sunny day
A check
19
Which of the following is nota function of the skeleton?
produces muscle cells
stores minerals until yourbody needs them
provides shape and support
enables you to move
20
How do pairs of skeletalmuscles work together?
Both muscles contract atthe same time.
Both muscles extend at the same time.
One muscle pulls on bone, the other pulls on first muscle.
One muscle contracts, the other returns to original length.
21
One function of the skeleton is to
help the body maintain a steady body temperature.
move food through thedigestive system.
provide shape and supportfor the body.
help control voluntarymuscles.
22
After you breathe air into your lungs, oxygen from the air goesinto your
heart.
muscles.
bones.
bloodstream.
23
Muscles, bones, and nerves work together to
make your body move.
control body functions.
remove waste products.
move materials in yourbody.
24
The heart is an organ because it
is made up of different kinds of tissues
contains blood.
maintains homeostasis.
contains muscle.
25
What structure directs theactivities of a cell?
cell membrane
cartilage
cytoplasm
nucleus
26
Which type of muscle tires quickly during exercise?
breathing muscle
smooth muscle
cardiac muscle
skeletal muscle
27
Nutrients move into thebloodstream from the digestive system by a process called
absorption
elimination
ingestion
filtration

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