hormones

Question 1

what are hormones

Answer 1

hormones are chemical substances secreted in minute quantities by endocrine glands. they are transported by the bloodstream to target organs where they exert their effects
after performing their functions, they are destroyed in the liver

Question 2

what are exocrine glands
give some examples

Answer 2

Secrete chemical substances via a duct into external environment

Examples
Gastric glands Sweat glands
salivary glands pancreas

Question 3

what are endocrine glands
give some examples

Answer 3

ductless glands that secrete hormones directly into the bloodstream

examples
islets of langerhans in pancreas
adrenal gland

Question 4

what is the endocrine function of the pancreas

Answer 4

to secrete insulin and glucagon directly into the bloodstream

Question 5

exocrine function of the pancreas

Answer 5

secrete pancreatic juice via pancreatic duct

Question 6

how do hormones affect us

Answer 6

Hormones influence growth, development, and activity of an organism.

Question 7

what is insulin

Answer 7

Hormone secreted by cells in the islets of Langerhans in the pancreas
• Secreted when blood glucose concentration rises above normal levels
Promotes utilisation of glucose by cells