Aug 29, 2016
Headbones Basics
Your skull is made up of 22 bones. 2/3 of it consists of cranial bones, even though there are only 8 of them. The other 1/3 is your face.
Two main goals of the cranial bones: protects your brain, acts as an anchor for neck and face muscles.
The 8 bones are connected together by sutures (because they...
Aug 22, 2016
Review
Epidermis = top layer of skin. Living cells divide and then add in proteins that causes cells to harden as they die and become and protective layer to keep out water and dirt and critters. Some of those proteins give your skin its color (melanin) and they help block and reflect UV light from the sun to keep the...
Aug 15, 2016
Dry skin
It is usually due to your skin not having enough of its own natural oils (probably strips from soaps, cleansers, chemicals). Moisturizing lotions and creams are "greasy" to try and match the oil of your skin. The oil make the skin waterproof - keeps water out, but also keeps water in (prevents...
Aug 8, 2016
Two products to protect your skin from sun exposure
- Sunscreen - filters the sunlight *like a screen on a window*; made up of organic compounds (like chemistry, not vegetables) that absorb UVA and/or UVB rays that reach your skin. These are the products labeled with SPF numbers.
- Sunblock - used to be opaque because it...
Aug 1, 2016
Basics
Vitamin D is made by your skin.
Lots of foods are fortified with Vit D.
Vitamin D2 is plant-based. Plants make vitamin D then you eat them and absorb it. This is also the type of Vitamin D that is added to other foods.
Vitamin D3 is animal-based. You absorb very little Vitamin D from animal food sources. This...