The Human Body

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The Human Body

• Organization and Systems

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Organization

• Organization refers to a structure that allows
  easy management of related, or otherwise
  connected, items.

3
Consider Our Country

• With over 300 million people living in the United
  States, how do we manage to keep order?

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Consider Our Country

• Our country is organized
• Four regions
• 50 States
• Over 3,000 counties
• Over 35,000 cities and towns
• Over 300 million people

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Consider Our Country

• Our country is organized
• We are one country, with one government, and one
  law of the land (Constitution).
• We are broken into regions and states where there
  are local laws to enforce the Constitution.
• We are further broken into counties and cities to
  enforce the local laws of the state.
• Each person is responsible for governing his/her
  own action according to all the laws.

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Consider Your Trash

• You produce about 5 Ibs of trash a day!
• 35 Ibs a week!
• 155 Ibs a month!
• 1,825 Ibs a year!
• For a house with five people, that adds up to
  9,125 Ibs each year!
• How about everyone in your neighborhood and city?

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Consider Your Trash

• Discussion
• Where does all the trash go?
• How is your city organized to dispose of all its
  trash?

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Consider Your Body

• Your body is also organized in an effective way
  to fulfill all of its life processes!

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Consider Your Body

• There are over 30 trillion cells in your body.
• Different sizes
• Different shapes
• Different functions
• Similar purpose to maintain life

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Consider Your Body

• Cells- the basic building blocks of the body

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Consider Your Body

• Tissue- a group of similar cells working together

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Consider Your Body

• Organ- a group of similar tissues working
  together to perform a task

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Consider Your Body

• Organ System- a group of organs working together

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Consider Your Body

• Body- a group of organ systems working together
  to maintain life

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Consider Your Body

• The organization of the Human Body

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Four Types of Tissues
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Genesis 27

• And the Lord God formed man of the dust of the
  ground, and breathed into his nostrils the breath
  of life and man became a living being. KJV

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• God Himself took the time to make us the way we
  are. He formed our bodies with all its parts. He
  designed them to meet all the needs of a living
  organism.

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Psalm 13913-14 Paraphrased

• You formed my inward parts. You weaved me in my
  mothers womb. I will praise you because I am
  fearfully and wonderfully made. Wonderful are
  Your works.

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Systems of The Human Body

• 1. Circulatory
• 2. Respiratory
• 3. Skeletal
• 4. Muscular
• 5. Digestive
• 6. Excretory

• 7. Integumentary (Skin)
• 8. Endocrine
• 9. Nervous
• 10. Immune
• 11. Reproductive

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Circulatory System

• Your bodys transport system defined as the group
  of body parts that transports the blood
  throughout the body.

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Circulatory System

• Functions
• Transport fuel to the body
• Transport waste to liver and kidney
• Transport cells to fight disease
• Transport hormones throughout body

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Circulatory System

• Organs
• Heart
• Pumps blood to body
• Arteries
• Carries blood away from the heart
• Veins
• Carries blood back to the heart
• Capillaries
• Carries blood from arteries to cells to veins
• Nutrients, gases, and wastes are exchanged
  between blood and tissues

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Respiratory System

• The group of passages that exchange gases.

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Respiratory System

• Functions
• To carry oxygen to the blood
• To carry carbon dioxide out of the body

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Respiratory System

• Organs
• Lungs
• Nose
• Mouth
• Pharynx
• Trachea
• Bronchi
• Alveoli
• Diaphragm

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Skeletal System

• The combination of your joints and connective
  tissues.

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Skeletal System

• Functions
• To provide support and protection
• Allows for movement

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Skeletal System

• Organs and Tissues
• Bones
• Ligaments
• Joints
• Cartilage

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Muscular System

• The groups of tissues that make your body parts
  move.

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Muscular System

• Functions
• Provides support and protection
• Allows for movement

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Muscular System

• Organs and Tissues
• Smooth Muscle (Stomach wall)
• Skeletal Muscle (Arms, Legs, etc.)
• Cardiac Muscle (Heart)

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Digestive System

• The organs that take in food and break it down
  into chemical forms that can be used by the body.

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Digestive System

• Functions
• Digestion- the process in which food is broken
  down

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Digestive System

• Organs
• Mouth (teeth, tongue)
• Esophagus
• Stomach
• Small Intestine
• Large Intestine

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Excretory System

• The organs that excrete (get rid of) waste from
  the body.

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Excretory System

• Organs and Functions
• The Large Intestine excretes undigested food
• The Urinary Tract excretes waste from blood
• Lungs expel carbon dioxide

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Integumentary System

• The organs that cover and protect your body.

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Integumentary System

• Function
• Provide protection
• Maintain body temperature
• Allow us to sense our environment

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Integumentary System

• Organs
• Skin
• Hair
• Nails
• Sweat and oil glands

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Immune System

• The organs and tissues that fight off sickness
  and disease.

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Immune System

• Function
• To fight off intruders/infections

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Immune System

• Organs and Tissues
• Skin
• White blood cells
• Lymph
• Bone Marrow

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Nervous System

• The organs and tissues that are sensitive to
  changes in the environment.

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Nervous System

• Function
• To sense and adjust to changes in the environment

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Nervous System

• Organs and Tissues
• Brain, spinal cord, nerves

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Endocrine System

• The organs and tissues that produce hormones
  which control body functions

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Endocrine System

• Function
• To maintain homeostasis (an internal balance) by
  secreting hormones to send messages to cells via
  the blood

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Endocrine System

• Organs and Tissues
• Pituitary gland, Thyroid gland, Adrenal glands
• Pancreas

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Reproductive System

• The organs and tissues that work to together to
  bring new life into the world

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Reproductive System

• Function
• To bring new life into the world

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Reproductive System

• Organs and Tissues
• Male and female reproductive organs