Endocrine
Circulatory
Respiratory
Digestive
Urinary
100

This system uses hormones to control and coordinate body functions over time.

What is the ENDOCRINE SYSTEM?

100

This organ pumps blood throughout the body and is about the size of your fist.

What is the HEART?

100

This organ is the main part of the respiratory system where oxygen enters the blood.

What are the LUNGS?

100

This process breaks down food into smaller molecules so the body can absorb nutrients.

What is DIGESTION?

100

This organ stores urine until it is ready to leave the body.

What is the BLADDER?

200

This is an example of a hormone.

What are adrenaline, estrogen, cortisol, insulin, testosterone, thyroxine, melatonin, etc... (choose one)

200

These blood vessels carry oxygen-rich blood away from the heart to the body.

What are ARTERIES?

200

This gas is taken into the body during inhalation and is needed by cells to produce energy.

What is OXYGEN?

200

This organ stores and churns food, mixing it with acids and enzymes to help break it down.

What is the STOMACH?

200

This process removes waste and extra water from the blood to maintain homeostasis.

What is EXCRETION?

300

This gland produces insulin and helps regulate blood sugar levels.

What is the PANCREAS?

300

These cells in the blood carry oxygen throughout the body.

What are RED BLOOD CELLS?

300

This gas is removed from the body when you exhale.

What is CARBON DIOXIDE?

300

This organ breaks down and absorbs food as nutrients.

What is the SMALL INTESTINE?

300

This tube carries urine from the bladder out of the body.

What is the URETHRA?

400

These are chemical messengers that travel through the bloodstream to target organs.

What are HORMONES?

400

This type of blood vessel is very small and allows oxygen and nutrients to pass into tissues.

What are CAPILLARIES?

400

This tube carries air from the throat down into the lungs.

What is the TRACHEA?

400

This tube carries food from the mouth to the stomach.

What is the ESOPHAGUS?

400

These tubes carry urine from the kidneys to the bladder.

What is the URETER?

500
The endocrine system works with this liquid to transport hormones around the body.

What is BLOOD?

500

This is the Greek prefix relating to the heart and its functions.

What is CARDI or CARDIO?

500

These tiny air sacs in the lungs are where gas exchange occurs.

What are ALVEOLI?

500

This organ absorbs excess water and concentrates waste.

What is the LARGE INTESTINE?
500

This organ filters blood to remove waste and extra water, forming urine.

What is the KIDNEY?