the human body 1.4

in this summary you will read about sleep: why we sleep, how we sleep (the cycles) and what the consequences are for not getting enough sleep.

in this summary you will find everything you need to know about what neurons look like (what parts they have), how they work and why we have them.

in this summary you will read about sex issues, the differences between the male and female reproductive systems especially how they develop and what kind of hormones are typical for men and women. there is also a part about intersex people and abnormalities that can occur when the reproductive system develops.

in this summary you will find everything about the differences between the two hemispheres of the brain.

Here is a summary of problem 1, block 1.4. It has been edited after the post discussion so only relevant information is included. All sources and materials are included in the summaries. My average was a 7.5.

Here is a summary of problem 5, block 1.4. It has been edited after the post discussion so only relevant information is included. All sources and materials are included in the summaries. My average was a 7.5.

Here is a summary of problem 3, block 1.4. It has been edited after the post discussion so only relevant information is included. All sources and materials are included in the summaries. My average was a 7.5.