The last one. Micronutrients. Brainliest please!
I think that the answer is A .
The answer is Cardiovascular. Running and swimming and cycling are all considered <span>aerobic.
Hope this helps. </span>
Collagen
is a protein fiber that is found in the matrix that lies outside the bone
cells. Population of these collagen fibers that scattered through the matrix are
embedded in a gel-like ground substance called hyaline cartilage, which
is flexible but avascular and contains no nerves or blood vessels.
