Level 6

Level 6

massage, strain, smooth, atrophy, stretch, cramp, weak, strength, contract, injuries

Level 6

crater, magma, blast, crust, pressure, chamber, lava, earth, volcanic, vent

Level 6

apex, muscle, sinus, valve, atrium, septum, aorta, vein, artery, blood

Level 6

sclera, pupil, iris, macula, retina, cornea, cones, vitreous, fovea, ducts

Level 6

photons, aurora, firefly, absorb, emit, waves, particle, source, opaque, prism

Level 6

costume, backdrop, script, audition, finale, musical, scene, thespian, curtain, stage

Level 6

gallon, liter, second, minute, inches, meters, ounce, kilogram, pound, celsius

Level 6

cattle, horses, branding, chores, grazing, herd, cowboy, fences, sheep, land

Level 6

kangaroo, camel, gazelle, meerkat, hyena, gecko, iguana, locust, beetle, scorpion

Level 6

pinscher, sheepdog, terrier, beagle, foxhound, malamute, spaniel, shepherd, basenji, boxer