Respiration

= __ Respiration __ =

RESPIRATION IS NOT BREATHING! RESPIRATION IS NOT BREATHING! RESPIRATION IS NOT BREATHING! RESPIRATION IS NOT BREATHING! RESPIRATION IS NOT BREATHING! RESPIRATION IS NOT BREATHING! RESPIRATION IS NOT BREATHING! RESPIRATION IS NOT BREATHING!

__**Revision Objectives**__ (includes a diagram of the heart, can you label the parts from memory? Test yourselves!)



=**A dandelion (a bit random, but it may come in handy!)**=

//i//f interested and you want to know more the picture came from []
__**Heart dissection document**__



A human heart: There may be subtle differences between the pig heart and the human heart! **Cross-section of heart, as seen from the front**. This illustration shows the cords or heart-strings which hold the mitral and tricuspid valves in their correct position. The semilunar valves are inside the small portions of the aorta and pulmonary artery which lie within the heart. images from @http://www.daviddarling.info/encyclopedia/H/heart.html - a very good website but don't feel you need to learn all the information it is suitable up to IB level and beyond, you only need to know the parts of the hearts labelled in your exercise and text book at Key Stage 3!

[]

__**Lungs worksheet**__
 * __Possible practical__**

__**Crossword with Clues**__

__Websites__
 []

Heart
[]

__ [] __

__ [] __

[|See the flow of blood to and from the heart->]

[]

**Respiratory system**

See how the contraction of the diaphragm and the intercostal muscles causes an increase in the chest space and so air flows into the lungs:

[|View a working respiratory system->] [|http://www.smm.org/heart/lungs/vascular.]