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The Important Book About the Systems of the Human Body Text Modified by: Amy Sannella, Lucy Benson, and Ruthi Andersen. The important thing about the human body is that it has specialized structures to transport materials.

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Presentation Transcript
slide1

The Important

Book About the

Systems of the

Human Body

Text Modified by:

Amy Sannella, Lucy Benson,

and Ruthi Andersen

slide2

The important thing about the human body is that it has specialized structures to transport materials.

Hi, my name is Homo Sapien! We all come in many shapes, sizes and colors. Join me on a journey through my body’s systems and you will see how much we are all alike. A system is a group of parts that work together to get a job done. No single part does anything by itself! (1)

But the important thing about the human body is that it has specialized structures to transport materials.

slide3

The important thing about the human body is that it has specialized structures to transport materials.

The circulatory system is a complex network that consists of the heart, blood and blood vessels. The heart is the central part of this system as it is a pump that moves the blood through its chambers. It is divided into two sides. Each side works as a separate pump and sends blood along different paths. But, the circulatory system cannot work alone! (2)

But the important thing about the human body is that it has specialized structures to transport materials.

slide4

The important thing about the human body is that it has specialized structures to transport materials.

The circulatory system receives oxygen from the respiratory system. Respiration is the intake of oxygen from the air into my body through two specialized organs called the lungs. When my lungs are filled with air, oxygen is absorbed into the bloodstream through tiny sacs called alveoli. Carbon dioxide passes from the blood into the alveoli and is flushed out of the body when I exhale. But, the respiratory system cannot work alone! (3)

But the important thing about the human body is that it has specialized structures to transport materials.

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The respiratory system receives nutrients from the digestive system. This is a tube of connected organs where specialized activities occur along its length. This begins in the mouth where my food is chewed and mixed with saliva. The process of digestion continues after the food is swallowed and enters my stomach through the esophagus. Then my small and large intestines can absorb digested food and send nutrients back into my body. (4)

The important thing about the human body is that it has specialized structures to transport materials.

But the important thing about the human body is that it has specialized structures to transport materials.

slide6

Then my small intestine can absorb digested food and send nutrients back into my body. Nutrients move into blood vessels through the walls of the small intestine. Food that cannot be digested in the small intestine moves into a wider tube called the large intestine, often called the colon. But the digestive system cannot work alone! (5)

The important thing about the human body is that it has specialized structures to transport materials.

But the important thing about the human body is that it has specialized structures to transport materials.

slide7

The waste from the digestive system is removed from my body by the excretory system, also called the urinary system. The kidneys remove waste from your blood. They also regulate the nutrients in our bodies. (6)

The important thing about the human body is that it has specialized structures to transport materials.

But the important thing about the human body is that it has specialized structures to transport materials.

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