Heart
Blood Vessels/Lymphatic
Respiratory
Digestive
Reproductive
100

What organ pumps blood throughout the body?

Heart

100

What type of blood vessel carries blood away from the heart?

Arteries

100

What organs are mainly responsible for breathing?

lungs

100

What organ breaks down food using acid and enzymes?

stomach

100

What organs filter blood and make urine?

kidneys

200

What chamber pumps oxygenated blood to the body?

Left ventricle

200

What type of blood vessel carries blood toward the heart?

Veins

200

What tube carries air from the throat to the lungs?

Trachea

200

What organ absorbs most nutrients from food?

Small intestine

200

What tubes carry urine from the kidneys to the bladder?

ureters

300

What chamber receives deoxygenated blood from the body?

Right atrium

300

What tiny blood vessels allow gas and nutrient exchange?

Capillaries

300

What are the tiny air sacs where gas exchange happens?

Alveoli

300

What organ absorbs water and forms feces?

Large intestine/colon

300

What organ stores urine?

Urinary bladder

400

What valve is between the left atrium and left ventricle?

Mitral/bicuspid valve

400

What system helps return excess fluid back to the bloodstream?

Lymphatic system

400

What muscle helps with breathing by contracting and relaxing?

Diaphragm

400

What organ produces bile?

Liver

400

What tube carries urine out of the body?

Urethra

500

What blood vessels supply oxygen-rich blood to the heart muscle?

Coronary arteries

500

What are small organs that filter lymph and help fight infection?

Lymph nodes

500

What gas do we breathe in that the body needs for cellular respiration?

oxygen

500

What organ stores bile?

Gallbladder

500

What is the functional unit of the kidney?

Nephron

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