Natural barriers include the skin, mucous membranes, tears, earwax, mucus, and stomach acid.
"Pureed Root Vegetables"
Remember Veggies and most plant products are very low in fats.
By contracting, muscles pull on bones and allow the body to move. Muscles can only contract. They cannot actively extend, though they can move or relax back into the non-contracted neutral position. Therefore, to move bones in opposite directions, pairs of muscles must work in opposition
B. because if there’s something wrong with the muscles and strength that can come from heart health and lead up to more problems
