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Body Systems How is your body like a machine?. Lets think back…. Why do all the body systems work together?

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Presentation on theme: "Body Systems How is your body like a machine?. Lets think back…. Why do all the body systems work together?"— Presentation transcript:

1 Body Systems How is your body like a machine?

2 Lets think back…. Why do all the body systems work together?

3 To maintain homeostasis!

4 Four major themes 1. feedback loops 2. structure and function 3. division of labor 4. interdependence of organ systems

5 SKELETAL SYSTEM What are the functions? - produces red and white blood cells -movement What other systems are involved? -structural support -provide minerals - muscular -immune circulatory

6 MUSCULAR SYSTEM What other systems does it involve? What are the functions? -movement (body parts, digestion, circulation) -Skeletal -Digestive -Circulatory -Nervous

7 Muscle Types SKELETALSMOOTHCARDIAC

8 How do you bend your elbow? The bicep muscle contracts, causing the elbow to bend. The tricep muscle contracts, causing the elbow to straighten. This works similar to what simple machine? To what are muscles attached?

9 LYMPHATIC SYSTEM Helps protect the body from disease Collects fluid lost from blood vessels and returns the fluid to the circulatory system

10 LYMPHATIC SYSTEM What are the functions? protect body from disease contains white blood cells, antibodies and lymph

11 INTEGUMENTARY SYSTEM FunctionSystem Protection/Barrier Immune Protect Against Dehydration Excretory Cutaneous SensationNervous Regulate Body TempExcretory Excrete Sweat, Gases Excretory

12 Integumentary Epidermis Dermis Sebaceous Gland Sweat Gland Hair

13 How does skin vary in different organisms?

14 NERVOUS SYSTEM What are the functions? Respond to internal and external stimuli How does the nervous system work? What other systems are involved? all Nucleus Dendrite Axon Cell body

15 The Brain Hypothalamus Brain Stem Cerebrum Cerebellum

16 EXCRETORY What are the functions? Detoxifies blood –Urea, water, salts, excess glucose, excess protein What other systems are involved? Circulatory

17 Excretory Kidney Ureter Bladder Urethra Blood Urine

18 REPRODUCTIVE What are the functions? produce gametes secondary sex characteristics produce hormones What other systems are involved? Endocrine

19 Reproductive Uterus Fallopian Tube Ovary Testes

20 ENDOCRINE What are the functions? -deliver chemical messages through the body -produce hormones What other systems are involved? nervous circulatory

21 Endocrine Hypothalamus Thyroid Adrenal Pituitary Pancreas

22 Remember feedback loops? Hypothalamus (Brain) Releasing hormone Release- inhibiting hormone Thyroid stimulating hormone Thyroid Gland Low thyroid hormone level High thyroid hormone level Production Stimulated Production Inhibited

23 CIRCULATORY What are the functions? -transport: -gases -fluids -waste products -nutrients -hormones What other systems are involved? Excretory Respiratory Endocrine

24 Circulatory Heart Vein Aorta (Artery) Capillary

25 RESPIRATORY What are the functions? -exchange of carbon dioxide and oxygen between the blood, air and tissues What other systems are involved? Circulatory

26 Respiratory Lungs Diaphragm Alveoli Trachea Bronchi/ Bronchioles Where does gas exchange take place?

27 DIGESTIVE What are the functions? to break down food into smaller particles with the help of enzymes so it can be absorbed and used by cells. What other systems are involved? Circulatory Nervous

28 Digestive Mouth Liver Stomach Small Intestine Large Intestine Rectum Esophagus Pancreas Salivary Glands

29 Digestive What substances help break down the food that you eat? ENZYMES CompoundEnzymeMonomer Starch Lipids Proteins Bile/Lipase Amylase Protease Monosaccharide Fatty Acids/ Glycerol Amino Acids

30 Digestive Follow the path of food during digestion. Where is food mechanically digested? Chemically digested?


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