Gametogenesis

Here are 2 links to animations that help illustrate spermatogenesis and oogenesis:

http://msjensen.cehd.umn.edu/1135/links/animations/flash/0043-swf_spermatogenesi.swf

http://msjensen.cehd.umn.edu/1135/links/animations/Flash/0044-swf_maturation_of_.swf

Double Fertilization

Here's the link for the double fertilization in plants.

http://bcs.whfreeman.com/thelifewire/content/chp39/3902001.html

Respiration Animations

This would be a test to see if my students check my blog. ;)

Here's a link to some animations on the respiration process. The link goes directly to an animation on how the NAD molecule works but if you look on the left side, there's a list of animations on other parts of the respiration process as well.

http://highered.mcgraw-hill.com/sites/0072507470/student_view0/chapter25/animation__how_the_nad__works.html

Enjoy!