No they are not
absorbed through the blood stream
Nerve fibers and muscle fibers are the only one celled structures I can think of in the human body. I don't know if this qualifies as a "structure" though.
Nervous System
Yes, photons can be absorbed through the human body.
It Is absorbed through sunlight and food or liguids you consume.
absorbed through the blood stream
The majority of them are absorbed in the colon.
small intestine
Nerve fibers and muscle fibers are the only one celled structures I can think of in the human body. I don't know if this qualifies as a "structure" though.
they digest fats and protect nerve fibers
Nervous System
to a molecular level
Skeletal muscles are the largest percentage of total muscle fibers in the human body.
Yes, photons can be absorbed through the human body.
Cell Membrane
Muscles are a type of tissue composed of contractile cells or fibers that effect MOVEMENT of a part of the human body,that allows you to move your body... :)
You cannot eat a tea tree. The human body is not able to process the fibers that are in trees.