1. Your Body Systems

2. Warm-Up Questions CPS Questions 1-2
Chapter 3, Lesson 1

3. Chapter Overview Lesson 1: Your Body Systems Lesson 2: Nutrition
Lesson 3: The Benefits of Physical Activity
Lesson 4: Understanding Your Body Image
Lesson 5: First Aid
Chapter 3, Lesson 1

4. Lesson Overview Functions of the human skeletal system
How your muscular system works
The human circulatory system
The human respiratory system
How the nervous system and sense organs work
The human digestive system
The body’s waste disposal system
Chapter 3, Lesson 1

5. (Note to teacher: Use “Pick a Student” button in CPS)
Quick Write
The human body is made up of several different systems that work together as one unit. What do you think is the most amazing thing about how your body works?
(Note to teacher: Use “Pick a Student” button in CPS)
Chapter 3, Lesson 1
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6. The Human Skeletal System
Your body’s framework
Three main functions:
Support and protection
Movement
Storage and production of materials
Chapter 3, Lesson 1
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7. Kinds of Bones Your body has more than 200 bones
Four basic kinds of bones
Long bones
Short bones
Flat bones
Irregular bones
Long bones have larger ends that form a joint with another bone
Chapter 3, Lesson 1
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8. Caring for Your Skeletal System
Eat food with nutrients and vitamins
Phosphorus is in dairy products, dark green leafy vegetables, beans, and whole grains
Milk is fortified with vitamin D and contains calcium
Do regular physical activity to strengthen bones
Chapter 3, Lesson 1
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9. Activity 1: The Skeletal System
Review the section in your textbook on the functions of the human skeletal system
Complete the table to describe the three main functions of the skeletal system and answer the questions
Chapter 3, Lesson 1

10. Types of Muscles Smooth Skeletal Cardiac Chapter 3, Lesson 1
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11. The Muscular System All body movements depend on muscles
Your body has about 600 muscles
Exercise and healthy eating are important for good muscle tone
To keep your muscles strong and healthy, do daily regular physical activity
Chapter 3, Lesson 1
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12. Learning Check Questions CPS Questions 3-4
Chapter 3, Lesson 1

13. Activity 2: Muscle Injuries
Research and locate a news article about a specific muscle injury
Identify the injury, medical evaluation, and treatment
Take notes and answer the question
Chapter 3, Lesson 1

14. The Human Circulatory System
Your body’s transportation system
Blood carries food and oxygen to every cell
Blood is made up of:
Red blood cells
White blood cells
Platelets
Chapter 3, Lesson 1
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15. The Human Circulatory System, cont.
Your heart pumps blood to all parts of your body
Average heart beats 72 times a minute
Blood vessels distribute blood throughout your body
Three kinds of blood vessels
Arteries
Capillaries
Veins
Chapter 3, Lesson 1
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16. Preventing High Blood Pressure
Need to keep a certain level of blood pressure for proper blood circulation
Maintain a healthy weight through a healthy diet
Exercise regularly
Avoid tobacco, alcohol, and drugs
Chapter 3, Lesson 1
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17. Activity 3: The Circulatory System
Review the section in your textbook on the human circulatory system
Answer the questions
Chapter 3, Lesson 1

18. The Human Respiratory System
Brings a constant supply of oxygen from air into your body
Gets oxygen into your body
Also gets rid of carbon dioxide, a waste product
Chapter 3, Lesson 1
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19. Learning Check Questions CPS Questions 5-6
Chapter 3, Lesson 1

20. Activity 4: The Respiratory System
Review the section in your textbook on the respiratory system
Match each term to its correct definition
Answer the questions
Chapter 3, Lesson 1

21. The Nervous System Central nervous system
Made up of the brain and the spinal cord
The brain has three main parts: the cerebrum, cerebellum, and brain stem
Peripheral nervous system
Carries messages between your brain and spinal cord and the rest of your body
Chapter 3, Lesson 1
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22. The Sense of Sight Light enters the eye through the cornea
The cornea sends the light to the pupil
The lens helps direct the light energy onto the retina
Entire process happens faster than you can blink
Chapter 3, Lesson 1
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23. The Sense of Hearing
Outer ear picks up air vibrations and sends them to your eardrum
Your brain interprets the message and tells you what kind of sound you have heard
All of this happens in the time it takes for the sound to be made
Chapter 3, Lesson 1
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24. The Senses of Smell and Taste
Nose
Receptor cells send messages through nerves
Can pick up thousands of different odors
Tongue
Can recognize only four kinds of taste: sweet, salty, sour, and bitter
Chapter 3, Lesson 1
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25. The Sense of Touch Your skin is your body’s largest organ
Sense receptors all over your skin receive different sensations
Sense receptors send messages through the nerves to your spinal cord and brain
Chapter 3, Lesson 1
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26. Activity 5: The Brain and the Senses
Review the section in your textbook on how the nervous system and sense organs work
Complete the tables to describe the functions and other characteristics of the brain and senses
Chapter 3, Lesson 1

27. The Human Digestive System
The digestive system breaks down food for your body’s use
Chewing is part of mechanical digestion
The enzyme in saliva begins to break down the food chemically
Food stays in your stomach for three to four hours
Chapter 3, Lesson 1
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28. Diabetes One of the most serious medical issues Americans face today
Type I
Cells in the pancreas are not able to produce insulin
Type II
Pancreas makes insulin but your body cells cannot use the insulin properly
Chapter 3, Lesson 1
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29. Learning Check Questions CPS Questions 7-8
Chapter 3, Lesson 1

30. The Body’s Waste Disposal System
Waste products must be removed from the body
The body disposes of waste solids and liquids through the excretory system
Solid material is removed through the large intestine
Liquid material is removed through the kidneys
Chapter 3, Lesson 1
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31. Activity 6: The Digestive and Excretory Systems
Review the sections in your textbook on the human digestive system and the body’s waste disposal system
Label the diagrams and answer the questions
Chapter 3, Lesson 1

32. Summary Functions of the human skeletal system
How your muscular system works
The human circulatory system
The human respiratory system
How the nervous system and sense organs work
The human digestive system
The body’s waste disposal system
Chapter 3, Lesson 1

33. Review Questions CPS Questions 9-10
(Note to teacher: Use “Pick a Student” button in CPS)
Chapter 3, Lesson 1

34. Next…. Done – your body systems Next – nutrition Chapter 3, Lesson 1
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