Homeostasis in the Human Body

Question 1

The purpose of response to stimuli in organisms is to maintain?

Accepted Answer

homeostasis

Question 2

During the “Fight or Flight Response” chemicals such as _____are released into the bloodstream.

Accepted Answer

adrenaline, noradrenaline and cortisol

Question 3

A reaction of an organism to a specific stimulus.

Accepted Answer

response

Question 4

A plant’s growth response toward or away from a stimulus.

Accepted Answer

tropism

Question 5

Blood vessels in skin squeeze & decrease flow of heat to skin. This is called:

Accepted Answer

Vasoconstriction

Question 6

“Fight or Flight Response” is coordinated by the_______________.

Accepted Answer

hypothalamus

Question 7

During the “Fight or Flight Response”

Accepted Answer

All of the choices are “Fight or Flight Response”

Question 8

Body’s primitive automated, inborn response prepares to “fight” (face) or “flee” (avoid) due to

Accepted Answer

a perceived attack, harm or threat to our survival

Question 9

A stimulus can be

Accepted Answer

both external and internal

Question 10

In the word homeostasis: Stasis means?

Accepted Answer

state of balance

Question 11

Core temperature is regulated by the ___________ which is often called the body’s thermostat.

Accepted Answer

hypothalamus

Question 12

The balance of an organisms internal system is know as:

Accepted Answer

homeostasis

Question 13

Body’s temperature is regulated for the body to be balanced. Normal body temperature is:

Accepted Answer

97.7 to 99.5 F

Question 14

If you eat spoiled food, your immune system ejects it from your body. This is called:

Accepted Answer

Vomiting

Question 15

Factors found in the environment. Ex- temperature, predators, presence of water or food, etc

Accepted Answer

external stimuli

Question 16

The body’s stress response to immediate physical danger.

Accepted Answer

Fight or flight

Question 17

A plants reaction to the internal stimuli of a lack of water is:

Accepted Answer

Wilting

Question 18

An agent, action, or condition that causes or accelerates a response.

Accepted Answer

stimulus

Question 19

In the word homeostasis: Homeo means?

Accepted Answer

same

Question 20

Come from factors within an organism. Examples- germs, dehydration, lack of energy, pain.

Accepted Answer

internal stimuli

Questions 20