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HyoidLocated under the tongue, what is the only bone in the human body not connected to another bone?
StapesWhat is the name of the tissue that connects bones?
diaphragmWhat domed-shaped sheet of muscle serves as the main muscle for respitation and breathing?
What is the name of the smallest bone in the adult human body?

Human Body

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Human Body

Number of bones in the adult human body 206

Number of vertebrae in the spine 33

Three bones of the inner ear Hammer, anvil, stirrup

Body’s smallest bone Stirrup (stapes)

Wrist bones Carpals

Shoulder bone Scapula

Upper jaw bone Maxilla

Lower jaw bone Mandible

Collar bone Clavicle

Shoulder blade Scapula

Bone ribs are attached to Sternum (breastbone)

Upper arm bone Humerus

Lower arm bones Radius and ulna

Body’s longest bone Femur (upper leg)

Shin bone Tibia

Smaller bone that runs next to the tibia Fibula

Shoulder bone and collar bone Pectoral girdle

Between the talus and tibia Ankle

Tailbone Coccyx

Hallux Big toe

Minimus Little toe

Tissue that connects bones Ligaments

Central knee ligament ACL

Fibrous structure at the end of most muscles Tendon

Largest tendon in the body Achilles tendon

Tussue separating bones in joints Cartilage

Science of skeletal muscles Orthopedics

Body's longest muscle Sartorious

Shoulder muscles Deltoids

Front upper arm muscle Biceps

Back upper arm muscle Triceps

Front thigh muscle Quadriceps

Inhalation muscle Diaphragm

Rectus femoris muscle Thigh

Group of nerves Plexus

Body’s longest nerve Sciatic

Sense of smell nerve Olfactory nerve

Nerves at back of abdomen Solar plexus

Number of chambers in the heart Four

Heart’s upper chambers Left and right atria

Heart’s lower chambers Left and right ventricles

Sac surrounding heart Pericardium

Middle layer of heart walls Myocardium

Blood type “factor” (positive or negative) Rh factor

Blood type of a “universal donor” Type-O negative

Watery part of blood Plasma

Where blood is produced Bone marrow

Disc-shaped blood cell for clotting Platelet

Leukocytes a.k.a White blood cells

Erythrocytes also known as Red blood cells

Blood protein Globulin

What makes blood clot Fibrin

Body’s largest artery Aorta

Largest artery in leg Femoral artery

Large artery in the neck Carotid artery

Artery supplying the heart muscle Pulmonary artery

Body’s largest vein Vena cava (major)

Large vein in neck Jugular vein

These join to form veins Venules

These join arteries and veins Capillaries

Insulin is produced here, regulating sugar balance Pancreas

Renal cortex organ Kidney

Gland “on the kidney” Adrenal

Master gland (at base of brain) Pituitary

Gland that regulates metabolism Thyroid

Gland that aids in development of the immune system Thymus

Female sex hormone Estrogen

Male sex hormone Testosterone

Tear glands Lacrimal

Where vocal chords are located Larynx

Tube traveling from larynx to lungs, a.k.a windpipe Trachea

Tubes that connect trachea to lungs Bronchi

Protrusions that transfer oxygen in lungs Alveoli

Hard outside layer of teeth Enamel

Sticky buildup on the teeth Plack

Soft center part of teeth Pulp

Calcified tissue surrounding the pulp Dentin

Normal number of adult teeth 32

Gingiva Gums

Gustatory receptors Taste buds

Flesh that hangs from soft palate Uvula

Five tastes the tongue is capable of Sweet, salty, sour, bitter and savory

Tube traveling to stomach Esophagus

Tube from nose to esophagus Pharynx

Stomach acid Hydrochloric

Blood purifying organ below the stomach Spleen

Largest organ in the body Skin

Skin’s outer layer Epidermis

Hair and nails structural protein Keratin

Skin pigmentation provider Melanin

Digestive canal Alimentary

Where bile is made, largest internal organ Liver

Where bile is stored Gallbladder

Colored part of the eye Iris

Movable part of the eye controlled by the iris Pupil

Blood vessel in the eye Retina

Transparent layer of the outer eye Cornea

Eye “jelly” Vitreous humor

Two types of light receptors in the eye Rods and cones

Nerve connecting eye to brain Optic nerve

Where Graafian follicles are located Ovaries

Tubes connecting ovaries to womb Fallopian tubes

This organ removes glucose from the blood Liver

Where islets of langerhans are located Pancreas

Three parts of brain Cerebrum, cerebellum, medulla oblongata

Outer membrane of the brain Dura mater

Speech lobe of brain Frontal lobe

Hemisphere of brain containing artistic aptitudes Right hemisphere

Brain’s nerve cells Neurons

Fiber that transmit nerve impulses to neurons Axons

Brain chemicals that move nerve impulses Neurotransmitters

Neurotransmitters “jump” these spaces between cells Synapses

Sensory and motor covering layer of the brain Cerebral cortex

Lowest part of the brain Mendulla

Joints connecting skull plates Suture joints

Largest joint in the body Knee

Tube traveling from the throat to inner ear Eustachian tube

Tympanic membrane Ear drum

Spiral passages of the ear Cochlea

Loop-shaped ear canals that help control balance Semicircular canals

Hair pocket Follicle

Hair follicle gland Sebaceous gland

Fibrous protein that makes up hair and nails Keratin

Fertilized egg Zygote

These unite to form zygote Gametes

Fluid in womb Amniotic fluid

This controls the body’s temperature Hypothalamus

Rise in basal body temperature indicates this Ovulation

Cell division Mitosis

Cell division which cuts chromosomes in half Meiosis

Free-moving cell Corpuscle

Helical structure material DNA

Outer layer of skin Epidermis

Proteins that combat foreign proteins Antibodies

Thread-like bodies in cell nuclei Chromosomes

Normal number of human chromosomes 46 (23 pairs)

The soft spot on a baby’s head Fontanel

For more facts on the Human Body see Game Show Trivia, now in its 6th edition