Hormones

Question 1

Endocrine Gland

Answer 1

: A ductless gland which secretes hormones directly into the blood

Question 2

Exocrine Gland

Answer 2

Gland which secretes chemicals into a duct which carries them to where they are required

Question 3

Hormone

Answer 3

Small molecules made by endocrine glands that are transported in the blood and bind to specific complementary receptors on target cells and act as chemical messengers

Question 4

Target Tissue

Answer 4

Tissues that are affected by hormones and have specific complementary receptors for particular hormones

Question 5

First Messenger

Answer 5

A hormone that transmits a signal round then body

Question 6

Second Messenger

Answer 6

A chemical produced inside a cell in response to a hormone binding to the cells receptor. An example is cAMP.

Question 7

Islets if Langerhans

Answer 7

Patches of endocrine tissue in the pancreas which contain alpha and beta cells

Question 8

Alpha Cells

Answer 8

Cells found in the islets of Langerhans in the pancreas that secrete glucagon