BIOL 2402 Lecture Exam 1 - Chapter 17: The Endocrine System Exam
Questions Verified and Provided with A+ Graded Answers Latest Updated
2026
,Word Origins
-Endocrine means "affecting within"
-First called "internal secretion" in 1855
-What was being secreted was hormones, discovered in 1905, and
called chemical substances that control and regulate the activity of
certain cells or organs
Endocrine System
a system where glands secrete hormones (signals that control
other organs) into the blood to travel to cells throughout the
body
Endocrine System
-Made up of glands that produce and secrete hormones
-These glands are found in many different areas of the body
, What do these hormones do then?
-regulate growth
-regulate metabolism
-regulate body fluid balance
-regulate sexual development
-regulate response to stress and injury
*MAINTAINS HOMEOSTASIS
Homeostasis
-your body has an ideal internal environment, the perfect setting for
optimal performance of all your organs
-when it's too hot you turn the AC up = when you have too much pH
in your blood your glands release hormones
-"Thermostat of your body"
Methods to Maintain Homeostasis
-Both the Nervous and Endocrine systems maintain the
"temperature"
1. Nervous System
-Fast acting but w/ short lived effects
2. Endocrine System
-Slow acting but w/ widespread long lasting effects
Questions Verified and Provided with A+ Graded Answers Latest Updated
2026
,Word Origins
-Endocrine means "affecting within"
-First called "internal secretion" in 1855
-What was being secreted was hormones, discovered in 1905, and
called chemical substances that control and regulate the activity of
certain cells or organs
Endocrine System
a system where glands secrete hormones (signals that control
other organs) into the blood to travel to cells throughout the
body
Endocrine System
-Made up of glands that produce and secrete hormones
-These glands are found in many different areas of the body
, What do these hormones do then?
-regulate growth
-regulate metabolism
-regulate body fluid balance
-regulate sexual development
-regulate response to stress and injury
*MAINTAINS HOMEOSTASIS
Homeostasis
-your body has an ideal internal environment, the perfect setting for
optimal performance of all your organs
-when it's too hot you turn the AC up = when you have too much pH
in your blood your glands release hormones
-"Thermostat of your body"
Methods to Maintain Homeostasis
-Both the Nervous and Endocrine systems maintain the
"temperature"
1. Nervous System
-Fast acting but w/ short lived effects
2. Endocrine System
-Slow acting but w/ widespread long lasting effects
