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The Human Body. Created by Bethany Eggman for EDTE 232. Nervous System. Respiratory System. Five Senses. Skeletal System. Digestive System. Reproductive System. Circulatory System. CLICK ON ANY BUTTON TO LEARN ABOUT THE HUMAN BODY. Nervous System

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Presentation Transcript
slide1

The Human

Body

Created by

Bethany

Eggman

for EDTE 232

slide2

Nervous System

Respiratory System

Five

Senses

Skeletal System

Digestive System

Reproductive System

Circulatory System

CLICK ON ANY BUTTON TO LEARN ABOUT THE HUMAN BODY

slide3

Nervous System

The adult human brain weighs between

1300 g and 1400 g (approximately 3 lbs).

The Automatic Nervous System is most

important in two situations:

1. In emergencies that cause stress and require

us to "fight" or take "flight" (run away) and

2. In non-emergencies that allow us to "rest"

and "digest“.

slide4

The Digestive System

The digestive system is

a series of hollow organs

joined in a long, twisting

tube from the mouth to the

anus.

Digestion involves the mixing

of food, its movement through

the digestive tract, and

chemical breakdown of the

large molecules of food into

smaller molecules.

Our food and drink must

be changed into smaller

molecules of nutrients before

they can be absorbed into

the blood and carried to

cells throughout the body.

slide5

The Circulatory System

The heart beats around 3 billion times in the average

person's life.

About 8 million blood cells die in the human body every

second, and the same number are born each second.

Within a tiny droplet of blood, there are some 5 million red

blood cells, 300 000 platelets and 10 000 white cells.

It takes about 20 seconds for a red blood cell to circle the

whole body.

Red blood cells make approximately 250,000 round trips of

the body before returning to the bone marrow, where they

were born, to die.

Red blood cells may live for about 4 months circulating

throughout the body, feeding the 60 trillion other body

cells

slide6

The Respiratory System

The primary function of the respiratory system is to supply

the blood with oxygen in order for the blood to deliver oxygen to all parts of the body. The respiratory system does this through breathing. When we breathe, we inhale oxygen

and exhale carbon dioxide. This exchange of gases is the

respiratory system's means of getting oxygen to the blood.

  • Your lungs contain almost 1500 miles of airways and over
  • 300 million alveoli.
  • Every minute you breathe in 13 pints of air.
  • Plants are our partners in breathing. We breathe in air,
  • use the oxygen in it, and release carbon dioxide. Plants
  • take in carbon dioxide and release oxygen. Thank goodness!
slide7

The Skeletal System

  • The average human adult skeleton has 206 bones.
  • The skeleton plays an important part in movement by providing a series of independently movable levers, which the muscles can pull to move different parts of the body.
  • It supports and protects the internal body organs.
  • The bones are also a storehouse for minerals.
  • Babies are born with 270 soft bones.
slide8

The Reproductive System

Everybody has them, but not many people talk about them. Some people call them

their "privates," and others just kind of blush and whisper, "down there." But the truth

is that your reproductive parts aren't any weirder or any more cause for

embarrassment than say, your feet or your eyes - it's just that they're covered up

most of the time. The reproductive system gets its name from the fact that its parts

allow a person to reproduce, or have a child.

slide9

The Five Senses

Smell

Touch

Sight

Taste

Hearing

slide10

Web Links

The virtual body

A Look Inside the Human Body

Innerbody.com

Life Science Connections