human body systems. organization of the body list the levels of organization in a multicellular...
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Organization of the Body What are four types of tissues found in the human body The four types of tissues are muscle tissue, epithelial tissue, connective tissue, nervous tissueTRANSCRIPT
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Human Body Systems
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Organization of the Body • List the levels of organization in a
multicellular organism, from smallest to largest. – Cells – Tissues – Organs– Organ systems
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Organization of the Body• What are four types of tissues found
in the human body
• The four types of tissues are• muscle tissue,•epithelial tissue, •connective tissue, •nervous tissue
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Organization of the Body• The eye is an example of a (an) ____.
•organ
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Organization of the Body What type of tissue covers interior
and exterior body surfaces?
• epithelial
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Organization of the Body
What is a gland?
• A gland is a structure that makes and secretes a particular product such as saliva, sweat, or milk.
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Organization of the Body• What type of tissue connects body
parts?
• connective
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Maintaining Homeostasis • What is the process of maintaining a
controlled, stable internal environment called?
• homeostasis
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Maintaining Homeostasis
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Maintaining Homeostasis• Is the following sentence true or
false? • The part of the brain that monitors
and controls body temperature is the hypothalamus.
• true
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Human Body Team
All the systems play a part. How do they interact?
Which one is the most important?
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Integumentary SystemSkin, Hair and Nails• covers and protects
every place on the body• is the first line of defense
against invasion and injury
• retains body heat yet, have pores to release excess heat and wastes
• retains moisture and your body is almost 80% water
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Skeletal System• Without this, you’d
have no shape or structure
• ability to move!• makes your red blood
cells that carry oxygen to all the cells
• protects the precious brain, heart and spinal cord
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Muscular System• The heart is made
of cardiac muscle.• The internal organs
are made of smooth muscle.
• Without the skeletal muscles the bones couldn’t move.
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Respiratory System• brings in the oxygen that is carried on the
red blood cells• carries the CO2 (waste gas) out of the body. • The circulatory system needs this for gas
exchange.• The muscles need oxygen to move.• The brain needs
oxygen to think.
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Circulatory System
• Carries oxygen and nutrients to every cell in the body
• Consists of the heart, the veins, the arteries, capillaries and blood
• transports the white blood cells to all the infections and injuries
• Without this, the oxygen and the CO2 in the body couldn’t reach the cells or lungs.
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Nervous SystemI tell everything what to do. I tell the heart when to beat, the body when to move, the digestive system to add enzymes.
I am the leader.
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Digestive/Excretory System
• Without this system, the body would not be able to obtain energy and nutrients.
• It breaks down all the food you eat into usable nutrients and expels the wastes.
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Reproduction System
• Without this, there wouldn’t be any systems.
• I am how the species continues.
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Nervous system Coordinates the body’s response to changes in its
internal and external environments
Skeletal system Stores mineral reserves and provides a site for
blood cell formationIntegumentary
system Serves as a barrier against infection and injury Endocrine system Eliminates wastes and maintains homeostasis Lymphatic/Immune
systems Helps protect body from disease.
Muscular system Helps produce voluntary movement, circulate
blood, and move food Reproductive
system Produces reproductive cells
Respiratory system Provides oxygen and removes carbon dioxide Excretory system Eliminates wastes and maintains homeostasis
Circulatory system Brings materials to cells, fights infection, and helps
to regulate body temperature Digestive system Converts food so it can be used by cells