Since carotenoids stabilize dangerous free radicals, we can assume that their function is to protect the cell from the free radicals.
The miThe migration of birds.
I believe it's lactic acid and energy.
The answer to this question would be: b. False
The area between dermis and epidermis is small and get oxygen from nearby capillary vessel bed, not a major blood vessel. You can find the major blood vessel in the dermis area. This vessel will supply enough blood to the skin, glands, and receptors inside the dermis.
Rotational movements need the most thoracic mobility. This is because a rotational movement (such as twisting) because the movements are more three dimensional, and this is where the most can go wrong. For example, if you were holding a 35lb child and simply bent forward to put him/her down, this is less likely to cause injury than if you were to twist your torso to the right and put the child down. There is a lot more spinal stability and mobility needed for the second motion than the first.