Science·easy
What unusual adaptation allows hippopotamuses to keep their eyes, ears, and nostrils above water while mostly submerged?Their eyes, ears, and nostrils are positioned on top of their heads✓ correct
They have extendable eye stalks
They use specialized breathing tubes
They rotate their heads 180 degrees
hippoanatomyadaptationaquatic
Science·hard
What is the approximate bite force of an adult hippopotamus in PSI?1,800 to 2,000✓ correct
800 to 1,000
3,000 to 3,500
500 to 800
hippoanatomystrengthmeasurement
Science·medium
What is the primary function of the hippopotamus's barrel-shaped body?To maximize buoyancy and water displacement✓ correct
To store fat reserves for hibernation
To intimidate predators with size
To increase running speed on land
hippoanatomyadaptationevolution
Science·hard
Hippopotamuses cannot close their nostrils and ears when diving underwater.hippoanatomyadaptationdiving
Science·hard
What percentage of a hippopotamus's body is typically submerged in water?95 percent✓ correct
75 percent
50 percent
85 percent
hippoanatomyadaptationaquatic
Science·hard
How many teeth does an adult hippopotamus typically have?hippoanatomyteethbiology
Science·hard
How many toes does an ostrich have on each foot?ostrichesanatomyfeetbiology
Science·easy
Ostriches can fly short distances despite their large size.ostrichesflightbirdsanatomy
Science·medium
A blue whale's tongue can weigh up to 200 kilograms.largest animalswhalesanatomy
Science·hard
The pleura is a double membrane that surrounds the lungs and lines the chest cavity.respiratory systempleuralungsanatomy
Science·easy
What is the total number of lobes in both human lungs combined?Five✓ correct
Four
Six
Three
respiratory systemlungslobesanatomy
Science·easy
The larynx is commonly known as the voice box.respiratory systemlarynxvoiceanatomy
Science·medium
The bronchi divide into smaller bronchioles which eventually lead to the alveoli.respiratory systemlungsbranchinganatomy
Science·medium
The vocal cords are located in the pharynx.respiratory systemlarynxvocal cordsanatomy
Science·easy
The lungs are equal in size on both sides of the chest.respiratory systemlungsanatomy
Science·medium
What is the name of the small hair-like structures that line the respiratory tract and help move mucus?Cilia✓ correct
Flagella
Villi
Microvilli
respiratory systemciliaanatomymucus clearance
Science·medium
Which of the following is NOT a part of the upper respiratory tract?Bronchioles✓ correct
Nasal cavity
Pharynx
Larynx
respiratory systemupper respiratory tractanatomy
Science·easy
The right lung has three lobes while the left lung has two lobes.respiratory systemlungsanatomy
Science·easy
What is the primary function of the alveoli in the lungs?Gas exchange between air and blood✓ correct
Producing mucus to trap particles
Filtering large debris from air
Regulating blood pressure
respiratory systemlungsgas exchangeanatomy
General Knowledge·medium
African elephants have larger ears than Asian elephants.wildlifeelephantsanatomy
General Knowledge·medium
Which animal can rotate its head up to 270 degrees?Owl✓ correct
Mongoose
Flamingo
Chameleon
wildlifebirdsanatomy
General Knowledge·medium
The human body has more muscles in its face than anywhere else on the body.human bodymusclesfaceanatomy
Science·medium
Which part of the eye is responsible for focusing light onto the retina?Lens✓ correct
Pupil
Cornea
Iris
human bodyeyesvisionanatomy
Science·hard
What is the longest muscle in the human body?Sartorius✓ correct
Quadriceps
Gluteus maximus
Latissimus dorsi
human bodymusclesanatomyphysiology
Science·hard
The human liver can regenerate and restore itself even if more than half of it is removed.human bodyliverregenerationanatomy
Science·hard
The human body produces new hair follicles throughout adulthood.human bodyhairskinanatomy
Science·medium
How many pairs of ribs does the average adult human have?human bodyskeletonribsanatomy
General Knowledge·easy
The human body contains 32 permanent teeth in adults.human bodyteethdentistryanatomy
Science·easy
Which of the following is the largest internal organ in the human body?The liver✓ correct
The brain
The heart
The pancreas
human bodyorgansanatomyliver
Science·medium
What percentage of body weight does the human brain typically account for?About 2%✓ correct
About 5%
About 10%
About 0.5%
human bodybrainanatomyneurology
Science·hard
The human lungs have a combined surface area smaller than a tennis court.human bodylungsrespiratory systemanatomy
Science·medium
A woodpecker's skull contains a special bone structure that protects its brain from impact.fun factsbirdsanatomywoodpeckers
Science·easy
A human can lick their own elbow.fun factshuman bodyanatomy
Science·hard
Snails have over 25,000 teeth arranged in rows on their tongue.fun factssnailsteethanatomy
Science·hard
How many chambers does a nautilus heart have?fun factsmarine lifeanatomy
Science·medium
Snakes have eyelids that they can blink.fun factssnakesreptilesanatomy
Science·hard
Humans and giraffes have the same number of vertebrae in their necks.fun factsanatomygiraffesvertebrae
General Knowledge·easy
A camel's hump is filled with water.fun factscamelsanatomymyths
Science·medium
Starfish have no brain and no blood.fun factsstarfishmarine biologyanatomy
Science·medium
Polar bear skin is actually black, not white.fun factsanimalsarcticanatomy