Posts Tagged ‘muscles’

Last test of semester 1 – hooray!

Monday, November 16th, 2009
calendar card - January by Joe Lanman on flickr

calendar card - January by Joe Lanman on flickr

Our calendar is jammed, so we can’t be very flexible with dates for this test.

B Block – THURSDAY 3rd DECEMBER

G Block – THURSDAY 3rd DECEMBER

F Block – FRIDAY 4th DECEMBER

(Caitlin and Synnove – we will make arrangements for you to sit it during your study halls on THURSDAY 3rd due to clash with English Orals)

Topics covered will be Nervous System, Endocrine System, Reproductive System – and for HL students Muscles and Movement as well.  That is Topics 6.5 and 6.6 for SL, and Topics 6.5, 6.6 and 11.2 for HL. Come to tutorials armed with questions if you need to 🙂

Muscles and movement

Monday, November 16th, 2009
Sarcomeres in myofibrils of relaxed skeletal muscle from images.wellcome.ac.uk

Sarcomeres in myofibrils of relaxed skeletal muscle from images.wellcome.ac.uk

In this unit we will be looking at the following key questions:

Why do muscles work in pairs?

What is a sarcomere and what does it have to do with muscle contraction?

How do muscles contract?

A great presentation on this can be found here.

Good animations to help explain what’s going on can be found here.