Homeostasis
Negative Feedback
DNA
Positive Feedback
Vocabulary
100

What is Homeostasis?

Balance of the body

100

Negative feedback is...

balanced

100

Your DNA can stretch from the earth to the sun how many times?

A) 700 times

B) 300 times

C) 600 times

C) 600 times

100

Positive feedback is...

not balanced

100

The process of keeping things the same is called?

Homeostasis

200

At what temperature is your body at right now?

A) 98.9*F

B) 101.3*F

C) 98.6*F

C) 98.6*F

200

maintaining body temperature is an example of negative feedback? TRUE OR FALSE

TRUE

200

We are all __._% alike

99.9%

200

an example of child feedback is child birth? TRUE OR FALSE

TRUE

200

The thermoregulatory centre in the brain is called?

hypothalamus

300

Metabolism is how fast your body...

Breaks down food into energy

300

cold blooded means...

the environment affects your temperature

300

DNA is a double-helix molecule built from what four nucleotides ?

adenine, thymine, guanine, and cytosine

300

clear pee means you are 

a) hydrated

b0 dehydrated

a) hydrated

300

When core body temperature falls, blood vessels in the skin get narrower. This is called?

vasoconstriction

400

When you get pale your warmness goes to the ___?

core

400

a negative feedback loop brings a system

closer to a target of stability or homeostasis

400

Adenin pairs up with

thymine

400

positive feedback loop moves a system

further away from the target of the equilibruim

400

what is another word that can be described as "homeostasis" 

a) stable

b) equal

c) complete

a) stable

500

Our healthy body temperature is?

A) 38*C

B) 37*C

B) 37*C

500

if your pee is yellow you are

A) Hydrated 

B) Dehydrated 

B) dehydrated

500

cytosine pairs up with 

guanine

500

an example of positive feed back is 

system of childbirth

500

a body system that controls or cordinate all body activities through electric impulses/messages between brai, spinal cord and nerves is calles

nervous system