In the positive feedback mechanism governing breastfeeding the mammary glands of the breast serve as

protein makes up the building blocks of organs, muscles, skin, hormones and pretty much everything that matters in your body.

some choices are:

peanut butter

seeds

eggs

yogurt

meats

fish

so pretty much meat, dairy, nuts, and grains.

answer; ///the above statement is (true);

answer( increase) their individual contractile activity;