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Warm-ups

Warm-ups. Agenda. Respiratory System. Respiration IS NOT breathing. It is: glucose (sugar from food) combining with O 2 in cells to get energy . This produces H 2 0 and CO 2, which are removed by the excretory system. It is the exact opposite of photosynthesis.

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Warm-ups

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  1. Warm-ups

  2. Agenda

  3. Respiratory System • Respiration IS NOT breathing. It is: glucose (sugar from food) combining with O2 in cells to get energy. This produces H20 and CO2, which are removed by the excretory system. It is the exact opposite of photosynthesis. • The diaphragm is the muscle that controls breathing. • Contracted = inhale • Relaxed = exhale

  4. Respiratory System • Breathing air: lungs absorb O2 & release CO2 1.Mouth/Nose (nose filters & warms),2. Pharynx (throat)The epiglottis opens to let air in – it covers the trachea when you swallow so food goes down your esophagus instead.3. Trachea: top is called Larynx (voice box)4. Bronchi (2 tubes, one toward each lung)5. Bronchioles (many smaller tubes within lungs)6.Alveoli(small sacs with THIN walls so gas can exchange from THIN blood vessels called Capillaries) 7. Blood Stream for delivery

  5. Respiratory System Part of digestive and respiratory systems Has rings of cartilage to keep open Esophagus (behind trachea)

  6. Alveoli are where gases exchange (O2 in, CO2 out)

  7. Class Data

  8. Make a bar graph T (title, descriptive) A (axes titled) L (labeled units) K (Key) – don’t need E (equal spacing) R (RULER made lines) PENCIL ONLY X-axis = Lung Capacity (L) Y-axis = # of students Hey, Balloon Breath

  9. Human blood is ALWAYS RED (due to iron): Delivers O2 and glucose to cells for Respiration,Carries wastes (like CO2 and chemicals) out CirculatorySystem 4 Parts of Blood: Plasma (55% of blood)LIQUID Red blood cells: need lots! CARRIERS of O2 White blood cells: need fewARMY Blood platelets (non-living cells)NET/CLOTTERS

  10. CirculatorySystem • Blood Vessels • Arteries (red)AWAY • Veins (blue) IN • Capillaries SMALLEST = EXCHANGER • Heart = the pump of the system

  11. 4 Blood TypesRBC’s do not “like” RBC’s with foreign marker molecules (antigens) – this causes clumping and can lead to death due to antibodies aaginst them!

  12. 4 Blood Types People have blood types that can recognize others as harmful because of foreign marker molecules. • A’s cannot recognize B’s and vice versa. • AB’s recognize all types. Universal Receiver!! • O’s can be accepted by any type, but don’t recognize any other type. Universal Donor!!

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