The fluid found in the innermost part of mitochondria is called the mitochondrial matrix. The mitochondrial matrix is a viscous fluid that contains the mitochondria's DNA an â¦ d ribosomes.
It's often easiest to begin weaning when your baby starts the process â which might be sooner or later than you expect. Changes in breast-feeding patterns leading to weaning often begin naturally at age 6 months, when solid foods are typically introduced.
The weaning process begins the first time your baby takes food from a source other than your breast â whether itâs formula from a bottle or mashed banana from a spoon. Weaning is the gradual replacement of breastfeeding with other foods and ways of nurturing.