Download Body Systems - Science

Which of the
diagrams best
shows the
relationships
between the
number of cells,
tissues, and
organs?
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• Cells are the basic building blocks of all life.
Choice C is the correct answer because cells,
found in the greatest number, compose
tissues, and tissues combine to form organs.
What is the relationship
between the circulatory &
digestive systems?
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The digestive system provides the
body with nutrients. The
circulatory systems moves the
nutrients around the body.
What is the function of
the respiratory system?
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To bring oxygen into the body and
take carbon dioxide out of the
body.
List the pathway of
oxygen in the body.
Begin with the nose.
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Nose  nasal cavity 
trachea  bronchi 
bronchioles  alveoli 
blood cells  heart 
body cells
Name a body function
controlled by involuntary
muscles.
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1. Blood pumping through vessels
2. Food moving through digestive system
3. Breathing
Compare and
contrast the three
types of muscle
tissue.
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Skeletal & cardiac both have striations
(look striped)
Smooth muscle does not have striations.
Smooth and cardiac muscle are both
involuntary,
Skeletal muscle is voluntary,
Describe how shivering
helps you maintain
homeostasis (stable body
temperature) on a cold
day.
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Increased contraction of
muscles is the body’s
response to cold.
As the muscles contract, heat
energy is released and
maintains body temperature.
Describe how a muscle
attaches to a bone.
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Thick bands of tissue called
tendons attach muscles to
bones.
List the functions
of the skeletal
system
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• The skeleton gives shape and support to your body.
• Bones protect your internal organs. For example, ribs
surround the heart and lungs, and the skull encloses
the brain.
• Major muscles are attached to bone and help them
move.
• Blood cells are formed in the center of many bones in
soft tissue called red marrow.
• Major quantities of calcium and phosphorous
compounds are stored in the skeleton for later use.
Calcium and phosphorus make bones hard
Describe
cartilage
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A smooth, thick, flexible layer of tissue
Name and give an
example of a movable
and immovable joint
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Movable joint – base of skull, shoulder, hip
Immovable Joint – skull pelvis
Describe
ligaments
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Tough bands of tissue that hold bones in
place
What is the function
of muscles?
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Movement
Name a body function
controlled by involuntary
muscles.
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1. Blood pumping through vessels
2. Food moving through digestive system
3. Breathing
Compare and contrast
the three types of
muscle tissue.
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Skeletal & cardiac both have striations
(look striped)
Smooth muscle does not have striations.
Smooth and cardiac muscle are both
involuntary,
Skeletal muscle is voluntary,
What major activity
takes place in the
cerebrum?
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Thinking!
Why are reflexes
important?
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They allow quick reactions to dangerous
situations without having to think about
what to do.
Draw and label the
parts of a neuron.
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Compare the central
and peripheral nervous
systems.
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The central NS is made up of the brain and
spinal cord.
The peripheral NS is made up of the
cranial and spinal nerves.
List the major
functions of skin
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• Protects
• Regulates body
temperature
• Excretes wastes
• Serves as sensory organ
• Forms vitamin D