Digestive
Excretory
Circulatory
Respiratory
Nervous
100

muscular tube, where food goes down

esophagus

100

scientific word for pee

urine

100

organ that pumps blood

heart

100

"wind pipe," tube for air

trachea
100

control center of body (organ)

brain

200

Mouth Digestion: Chemical? Mechanical/Physical? Both?

Both!

200

sac-like organ that holds your urine (pee)

bladder

200

Arteries carry blood in what direction?

away (or) to the heart

200

air sacs (2) 

lungs

200

balance, stable internal environment

homeostasis

300

site of nutrient absorption & most digestion

small intestine

300

organ that filters out waste from the blood

kidneys

300

Veins carry ___________ blood towards the heart (oxygenated or deoxygenated)?

Deoxygenated

300

gas we need to survive & make ATP

oxygen

300

found all around your body, sends to signals to the brain

nerves/neurons

400

produces bile & removes fats/toxins, accessory organ in the digestive system

liver

400

two tubes connected to kidneys that lead to the bladder

ureters

400

The circulatory system works with the ________ system to perform gas exchange

respiratory

400

the waste gas

carbon dioxide

400

feedback loop that makes a problem smaller (example: body temperature regulation)

negative feedback loop

500

stores bile, accessory organ in digestive system

gallbladder

500

urine exits through this part of the body

urethra

500

Blood goes:

 ---> heart ---> ______ ---> heart --> around the body ---> back to the heart (repeats)

lungs

500

site of gas exchange, grape-like sac in organ

alveoli

500
Give an example of a positive feedback loop!

giving birth (or) breastfeeding (or) fruit ripening (or) fighting off infection