Human body systems test
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Last updated 5:24 PM on 2/28/23
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28 Terms
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what are five levels of structural organization in order from largest to smallest?
Organisms, organ systems, organs, tissues, cells
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What is the importance of homeostasis?
Maintains optimal conditions for enzyme action throughout the body, as well as all cell functions
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Give an example of an organ and an organ system.
Organs: Lungs, heart, brain
Organ systems: Respiratory system, Nervous system, Muscular system, Skeletal system
Organ systems: Respiratory system, Nervous system, Muscular system, Skeletal system
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Endocrine system
production and secretion of hormones for regulation of the body
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Muscular system
movement and stabilization
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Nervous system
collect, process, and respond to sensory information; control voluntary and involuntary actions
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Skeletal system
support, protection for internal organs, and aids in movement
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What is the importance of the skeletal system?
It supports and protects the organs.
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What are the two different kinds of bones in our body?
compact and spongy
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What two systems work together to allow our body to move?
muscular and skeletal
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How does your nervous system take on information?
neurons
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Example of voluntary control:
running; hitting someone
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Example of involuntary control:
blinking; breathing
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What is the first line of defense of the human body?
skin
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WHat is the second line of defense of the human body?
the immune system
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What does the liver do in the human body?
It filters blood and removes waste.
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What is the importance of the excretory system?
It gets rid of waste.
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How are the lungs a part of the excretory system?
They help eliminate carbon dioxide.
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What is responsible for making white blood cells?
bone marrow
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What are three types of muscle cells?
Skeletal muscle, smooth muscle, cardiac muscle
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List the three main types of blood.
Arteries, Veins, Capillaries
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What is the function of the lymphatic system?
It keeps fluid levels in balance and defends the body against infection. Produces white blood cells.
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Arteries function:
carry blood away from the heart
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Veins
carry blood to your heart
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Capillaries
connects arteries and veins
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Skeletal muscle location:
attached to bones or tendons
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Smooth muscle location:
the walls of hollow visceral organs
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Cardiac muscle location:
in the heart
