1) As the body's chemical messengers, transfer information and instructions from one set of cells to another. 2) A is a group of cells that produces and secretes, or gives off, chemicals.
3) Hormones are released into the bloodstream via small tubes called.
4) Hormones find their way through the blood to their cells.
5) Each hormone is a differently shaped key that will only fit into the correct lock.

1) As the body's chemical messengers, hormones transfer information and instructions from one set of cells to another.

2) A gland is a group of cells that produces and secretes, or gives off, chemicals.

3)  Hormones are released into the bloodstream via small tubes called duct.

4) Hormones find their way through the blood to their targeted/respective cells.

5) Each hormone is a differently shaped key that will only fit into the correct receptor lock.