miércoles, 20 de febrero de 2013


Reproduction is the process that continues life on Earth.Take a look in these couple of videos about the female reproductive system.   Watch them carefully to learn and understand the menstrual cycle, ovulation and egg release, hormones, changes, etc

martes, 5 de febrero de 2013

Health and illness

There are a new couple of lessons from Skoool in order to know several concepts about health. 

Learn about micro-organisms and different types of microbes by clicking on this link:  Micro-organisms

Learn about immunity and how vaccines can be used to help the body fight against infections:  Vaccines and immunity