1. POSTERS!!!  Cell  Tissue  Organ  Organ System  Homeostatic Mechanisms  Purpose  Extra Info

2. FAMILY FEUD Kind Of

3. QUESTION 1 What is it called when a group of organs function together to perform a certain role or function in the body? An Organ System

4. QUESTION 2 What four components make up our blood? White blood cells, Red blood cells, Plasma, Platelets

5. QUESTION 3 What is an example of a positive feedback loop in humans? Anything that is being up regulated

6. QUESTION 4 What are the seven body systems we learned about? Integumentary, Circulatory, Respiratory, Urinary, Digestive, Endocrine, Nervous

7. QUESTION 5 What is the flow or cycle of the nervous system? Input  Integration  Output

8. QUESTION 6 What is an example of a negative feedback loop in humans? Anything that is being decreased or stopped

9. QUESTION 7 How does the respiratory system maintain homeostasis? The diaphragm lower and contracts to allow the lungs to fill with air, and relaxes to push air out

10. QUESTION 8 What are the different layers of the integumentary system? Epidermis, Dermis, Hypodermis

11. QUESTION 9 What are the main organs of the urinary system? Ureters, Bladder, Uterus, Kidneys

12. QUESTION 10 What does the acronym ‘Live low, train high’ refer to? Athletes should remain acclimated at low altitudes so they don’t over work their bodies, but they should train at high altitudes so they can perform better due to the increased oxygen and excess stress they have been training in

13. QUESTION 11 What cells create the pigment in our skin, and which layer are they found in? Melanocytes; Dermis

14. QUESTION 12 What happens inside the lungs of a patient with bronchitis? Their bronchioles constrict, causing less air to be inhaled and send to the rest of the body via the alveoli

15. QUESTION 13 Describe how blood flows through the human body? Oxygenated blood flows from the lungs (where it picked up O2) to the heart where it is pumped out to the rest of the body. Deoxygenated blood flows from the tissues to the right side of the heart where it is pumped to the lungs to drop off waste and pick up oxygen before returning to the heart

16. QUESTION 14 How does the digestive system maintain homeostasis? Liver regulates stomach pH Pancreas regulates insulin levels

17. QUESTION 15 What is the role of the nephron in the urinary system? To filter urine and help the body rid of waste

18. QUESTION 16 Give an example of an endocrine gland and the hormone it releases? Adrenal Gland - HGH

19. QUESTION 17 What is the difference between the sympathetic nervous system and the parasympathetic nervous system? Sympathetic – rest and digest Parasympathetic – fight or flight

20. QUESTION 18 Define homeostasis and explain why it is important to all living things? Homeostasis the mechanism the body uses to maintain its internal environment Important to maintain a steady state so illness does not occur

21. QUESTION 19 Provide an extra tidbit of information you learned from researching the body systems?

22. QUESTION 20 Describe how several different body systems work together to maintain homeostasis? Respiratory & Circulatory Digestive, Endocrine, Urinary