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The Human Body Review

The Human Body Review. These Organ Systems function together to maintain homeostasis – a stable internal environment. Levels of Organization. Section 7- 4. Muscle cell. muscle tissue. Organ. Organ system. Go to Section:. The Integumentary System. BODY’S FIRST LINE OF DEFENSE.

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The Human Body Review

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  1. The Human Body Review

  2. These Organ Systems function together to maintain homeostasis – a stable internal environment Levels of Organization Section 7- 4 Muscle cell muscle tissue Organ Organ system Go to Section:

  3. The Integumentary System BODY’S FIRST LINE OF DEFENSE A. Major Organs • Skin • Hair • Nails B. Major Functions • Protection – keeps moisture in and pathogens out • Sensory input – nerves in skin allow you to sense your environment • Temperature regulation – sweat produced by glands in the skin cool the body • Waste removal – chemicals can be removed along with sweat

  4. 1. What is the body’s first line of defense against disease? • White Blood Cells • Skin • Muscles • Red Blood Cells

  5. SkeletalMuscles-Work together with bones to provide movement for the body. Muscular System • Smooth Muscles- involuntary muscle that moves food through the digestive tract and controls blood flow. • Cardiac Muscle- Only found in the heart

  6. Skeletal System • Major Functions: • Protection • Support • Mineral Storage • Works with muscles to provide movement

  7. Nervous System Major Function: To control all activities of the body • Neurons- Nerve cells that transport signals • Major organs: - Central Nervous System-Brain and Spinal Cord -Peripheral Nervous System- Nerves that relay messages between the CNS and the rest of your body

  8. 2. Which systems are involved in throwing a ball? • a. skeletal, muscular, and nervous systems • b. digestive, endocrine, and immune systems • c. nervous, immune, and respiratory systems • d. immune, digestive, and integumentary systems

  9. Digestive System Major Function: To break down food (mechanically and chemically) into molecules that the body can use. Organs: Mouth- mechanical and chemical digestion takes place Esophagus- tube leading to stomach Stomach- Mechanical and chemical digestion Small Intestines- Chemical digestion and absorbs Nutrients into blood stream Large Intestines- Absorbs water into blood stream

  10. 3. Which TWO systems work together get the glucose (sugar/ food) your mitochondria need to every cell in the human body? Nervous Reproductive Skeletal Excretory Circulatory Endocrine Digestive Integumentary Muscular Respiratory Lymphatic/Immune Urinary Which System?

  11. Which TWO systems work together get the glucose (sugar/ food) your mitochondria need to every cell in the human body? The digestive system breaks down the food you eat, then the circulatory system will transport this food (sugar) to every cell of your body Nervous Reproductive Skeletal Excretory Circulatory Endocrine Digestive Integumentary Muscular Respiratory Lymphatic/Immune Urinary Which System?

  12. Respiratory System Major Functuion- To supply the cells of the body with oxygen and get rid of carbon dioxide wastes Major organs: Trachea- tube that leads to the lungs Lungs- cavities that hold oxygen or carbon dioxide wastes Alveoli- sacs inside lungs where gas exchange takes place. Diaphragm- relaxes and contracts to draw oxygen into the lungs and expell carbondioxide out of the lungs.

  13. Urinary System • Excretes harmful poisons from the body • Kidneys- filters the blood of harmful wastes

  14. Circulatory System • Transports material to and from the cells in the body. • Organs- • Blood- transports nutrients, oxygen and cellular wastes throughout the body using red blood cells • Heart- Pumps blood through the vessels in the body • Blood Vessels- Transport system • Veins transport blood to heart • Arteries transport blood away from the heart • Capillaries- the exchange site at cells

  15. Circulatory SystemMajor Transport System of nutrients and wastes to and from every cell in the body.

  16. 4. Your heart functions through the use of several tissues like cardiac muscle, blood, and connective tissues. Your heart is considered a(n) • Organ system • Organ • Cell • Organelle

  17. Reproductive System • To enable organisms to carry on life by producing offspring. • Meiosis- The production of sex cells (gametes) which are haploid cells • Female gamete- Eggs • Male gamete- Sperm ALLOWS FOR GENETIC VARIATION!!!

  18. 5. Skin sweating; lungs breathing out carbon dioxide; kidneys filtering waste from the blood and your liver filtering poisons from the blood are all examples of which system at work? • Integumentary • Endocrine • Reproductive • Excretory

  19. Name the systems that are responsible for getting rid of wastes from the body. (excretory systems) • Respiratory • Integumentary • Urinary • Digestive

  20. 7.

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