Slide 1Gas Exchange and Pulmonary Circulation Slide 2 Learning Objectives Understand diffusion and the rate of diffusion. Understand gas pressure and partial pressure, and…

Slide 1 Principles of Biology By Frank H. Osborne, Ph. D. Respiration Slide 2 Breathing is generally called respiration. We use respiration to distinguish breathing from…

Slide 1 Disko Bay, Greenland - 624,000 cubic miles of ice; 10% of Earth’s fresh water Slide 2 Air temps 9 degrees above normal For example, autumn air temperatures in the…

CELLS & TISSUES RESPIRATORY TRACT by Dr. SAAD EL-SHAFEY A- Conducting portion: It is the portion for conduction and conditioning of air. It cosistes of nasal cavities,…

Trachea It is a mobile tube about 13 cm ( 5 inch ) long & 2.5 cm ( 1 inch ) in diameter. It has a fibroelastic wall in which are embedded a U- shaped bars of hyaline…

At one time people believed their emotions came from their hearts because the heart beats faster when a person is scared or excited. We now know that emotions come from the…

Cardiovascular System Components of the Cardiovascular System Generating & Measuring heart impulses To transport oxygen and carbon dioxide around the body To distribute…

Principles of Biology By Frank H. Osborne, Ph. D. Respiration Respiration Breathing is generally called respiration. We use respiration to distinguish breathing from cellular…