hormones Flashcards
1
Q
Hormone
A
A hormone is a chemical substance, produced by an endocrine gland, carried by the blood, which alters the activity of one or more specific target organs and is then destroyed by the liver and excreted by the kidneys.
2
Q
Endocrine gland
A
An endocrine gland is a ductless gland that secretes its chemical substances directly into the bloodstream.
3
Q
Exocrine gland
A
An exocrine gland has a duct, which carries away its secretions
