BIOMOLECULES AND ENZYMES

Detailed explanation-1: -On the other hand, endocrine glands secrete their substances directly into your bloodstream. They’re called ductless glands. Endocrine glands are part of your endocrine system, and they secrete hormones. Examples of endocrine glands include your pituitary gland, thyroid gland and adrenal glands.

Detailed explanation-2: -Endocrine glands release hormones into the bloodstream. This lets the hormones travel to cells in other parts of the body.

Detailed explanation-3: -Endocrine glands are ductless glands. This means that unlike exocrine glands which pour their hormones in ducts that transport them to the target cells, endocrine cells do not have any ducts. So they pour their secretions that is hormones directly into the blood and the blood transports them to the target cells.

Detailed explanation-4: -Exocrine glands secrete their products directly into ducts, whereas endocrine glands release their products (hormones) into the bloodstream.