10 Gas Exchange - movement of air Expiration diaphragm&...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
SI Leader: Anita Vijapura Spring 2010 BSC2011 1/14/10 Gas Exchange -Uptake of _______ -Discharge of ______ Three main components: 1) Respiratory medium : 2) Respiratory surface (gas exchangers): Physical Characteristics: a) b) c) d) 3) Ventilation : Animal Respiratory Medium Respiratory Surface Means of Ventilation Fish Grasshopper Frog Human
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
SI Leader: Anita Vijapura Spring 2010 BSC2011 1/14/10 The Human Respiratory Cycle Inspiration : diaphragm & rib muscles _____________ (contracts/relaxes) diaphragm moves ____________ (up/down) rib cage _____________ (expands/contracts) volume of thoracic cavity _____________ (increases/decreases) air pressure in the lungs ______________ (increases/decreases)
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: movement of air: Expiration : diaphragm & rib muscles _____________ (contracts/relaxes) diaphragm moves __________ (up/down) rib cage ______________ (expands/contracts) volume of thoracic cavity _____________ (increases/decreases) air pressure in the lungs ______________ (increases/decreases) movement of air: Control of Breathing Breathing is under automatic regulation by the breathing control centers in the ________________& the ________________. -When _______ concentration increases, pH levels _____________ (increase/decrease) AS A RESULT, the ________ & ________ of breathing is ____________ (increased/decreased) - O 2 sensors in the ___________ & ____________ react to:...
View Full Document

This note was uploaded on 03/30/2010 for the course BSC BSC2011 taught by Professor Evans during the Spring '10 term at École Normale Supérieure.

Page1 / 2

10 Gas Exchange - movement of air Expiration diaphragm&...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online