happy earth day - quia · i will be able to identify the major functions of hormones in the body. i...
TRANSCRIPT
Happy Earth Day
Objectives 4‐22
I will be able to identify the major functions of hormones in the body.I will be able to identify the two ways that hormones cause changes inside a cell.I will be able to identify the mechanism in which hormone levels in the body are regulated
Hormones – Slower long term
messengers
Hormone
a substance that is made in one cell or tissue and that causes a change in another cell or tissue located in a different part of the body
Roles of Hormones
stimulation or inhibition of growth mood swingsinduction or suppression of apoptosis (programmed cell death)activation or inhibition of the immune systemregulation of metabolismpreparation of the body for mating, fighting, fleeing, and other activitypreparation of the body for a new phase of life, such as puberty, parenting, andmenopausecontrol of the reproductive cyclehunger cravings
#1 Quick Write
What is a hormone and what is one function that a hormone does in the body?
Use complete sentences!!!
Two Types of Hormones
Amino Acid–Based Hormones
Cholesterol‐Based Hormones
Amino Acid–Based Hormones
Bind to receptors on the surfaces of cells
Cholesterol‐Based Hormones
Directly enter the cell
Negative Feedback Loop
Prey Increase
Prey Decrease
Predator Decrease
Predator Increase