Bones & Joints
Organs
Brain & Senses
Muscles & Movement
Blood & Circulation
100

The largest bone in the human body?

Femur

100

The organ that pumps blood through the body?

The Heart

100

The sense associated with the olfactory nerve?

Smell

100

The strongest muscle based on workload in the body?

The Heart

100

The red pigment in blood that carries oxygen?

Hemoglobin

200

What is the medical term for collarbone?

The Clavicle

200

The largest internal organ?

The Liver

200

The lobe of the brain responsible for vision?

occipital lobe

200

The muscle used for breathing?

The Diaphragm

200

The type of blood cells that fight infection?

White Blood Cells

300

The number of vertebrae in the average human spine

33

300

This organ removes waste and produces urine?

The Kidneys

300

The part of the brain that controls balance and coordination?

The Cerebellum

300

The muscle group at the back of your upper leg?

The Hamstrings

300

The largest artery in the body?

The Aorta

400

The smallest bone in the body?

Found in the ear.
Stapes

400

The body’s largest organ overall?

The Skin

400

The colored part of the eye?

The Iris

400

The largest muscle in the human body?

Gluteus maximus

400

The universal blood donor type?

O Negative

500

The only bone in the human body not connected to another bone?

Hyoid bone

500

The organ that produces insulin?

The Pancreas

500

The part of the ear responsible for balance?

The vestibular system (semicircular canals)

500

The protein filaments in muscle fibers that slide past each other during contraction?

Actin and Myosin

500

The number of chambers in the human heart?

Four (4)