Anatomy
This muscle, located directly beneath the lungs, contracts and flattens to lower air pressure in the chest cavity, allowing you to inhale.
What is the diaphragm?
Chlorine trifluoride is so dangerously reactive that it burns through concrete, sand, and even asbestos without needing this gas usually required for combustion.
What is oxygen?
According to long-standing urban legend in France, it is historically illegal to give this well-respected person's name to a farm pig.
Who is Napoleon?
This cellular structure, found in both prokaryotes and eukaryotes, is responsible for protein synthesis.
What is a ribosome?
This large triangular bone formed by five fused vertebrae sits at the base of the spine, sandwiched between the hip bones.
What is the sacrum?
In 1896, Henri Becquerel accidentally discovered radioactivity when uranium salts ruined a photographic plate left inside a dark drawer next to this key element.
What is silver?
To celebrate New Year's Eve in Spain, tradition dictates that you must stuff this exact number of grapes into your mouth, one for each stroke of the midnight bell.
What is 12?
In the structure of DNA, the nitrogenous base adenine always pairs exclusively with this specific base.
What is thymine?
This cranial nerve is responsible for the sense of smell.
What is the olfactory nerve (CN I)?
To convince a skeptical public that his new invention was safe to handle, Alfred Nobel publicly demonstrated packing this stabilized explosive into sawdust and setting it on fire without it exploding.
What is dynamite?
Genghis Khan’s war horses were sturdy Mongolian steeds; adult male horses typically have this many.
What is 40?
This enzyme unwinds the DNA double helix during replication by breaking the hydrogen bonds between nitrogenous base pairs.
What is helicase?
The brainstem is composed of three main structures: the midbrain, the pons, and this lowest region that controls vital functions like heart rate and breathing?
What is the medulla oblongata?
Antacids like Tums relieve heartburn because they contain basic compounds like calcium carbonate that undergo this specific type of double-replacement reaction with stomach acid.
What is a neutralization reaction?
Lord Voldemort's terrifying companion and final Horcrux was a massive, lethal snake known by this female name.
What is Nagini?
In plant biology, this specific vascular tissue is responsible for transporting water and dissolved minerals upward from the roots.
What is xylem?
This large, flat muscle of the lower back—often called the "swimmer’s muscle"—acts to adduct, extend, and medially rotate the humerus at the glenohumeral joint.
What is the latissimus dorsi?
Deadly nightshade contains atropine, a toxin that blocks parasympathetic signals, causing your eyes to perform this dramatic optical action.
What is pupil dilation ?
In BTS's "BANGTAN UNIVERSE" (HYYH era), this member is revealed to be caught in a time loop, constantly traveling back to April 11th to save the other members from tragic fates.
Who is Jin?
This specific internal compartment of the eukaryotic cell is where the Krebs (Citric Acid) cycle takes place.
What is the mitochondrial matrix?