The Platypus releases milk from ducks in its abdomen.
Mammary gland
mammary gland = balutat chalav (בלוטת חלב)
Formation of milk in the mammary gland of a mammal.
mammary gland
Mammals are a group of animals characterized by (in females) the presence of mammary glands. Mammals are a group of animals; mammary glands are a body part.
"Mammal" comes from mammary gland. All animals that produce milk are mammals.
Lactiferous Ducts form a tree branched system connecting the lobules of the mammary gland to the tip of the nipple. They are the structure which carry milk toward the nipple in a lactating female.
Mammary gland
Mammary gland
1. mammary gland 2. warmblooded (Biology teacher's answer: dorsal nerve cord) 3. Hairs
Mammary gland consist of glandular tissue and fatty tissue in them. Mammary glands are characteristic of mammals.
Mammary glands are the source of milk production in female (and some male) mammals