Rivers
As the central river artery, this is one of the world’s busiest waterways:
The Mississippi River
The name of this condition that affects mostly women literally means “porous bone”:
Osteoporosis
Jazz musicians & jockeys helped give New York City this nickname:
The Big Apple
Astronomers divide the sky into 88 of these star groups:
Constellations
The African rain forests are the natural habitat of these largest apes:
Gorillas
Flowing westward, this river has a drainage basin that covers seven states
The Colorado River
Your false ribs are so called because unlike your true ribs, they aren’t attached to this breastbone:
The sternum
If you’re under this, you’re at the circus:
The Big Top
Which planet has the largest ocean?
Jupiter
This largest wild cat of the Americas looks similar to a leopard
Jaguar
Although its ultimate source is still debated, this river flows into the Atlantic:
The stapes is the body's smallest bone. Where is it located?
The inner ear
Digit also known as the hallux:
The Big Toe
At about 600 miles in diameter, Ceres is the largest first discovered of these minor planets:
Asteroids
The red kangaroo is among the largest of these pouched mammals
Marsupials
From two small sources, this river flows to the North Sea:
The Rhine River
This bone with a ball-&-socket joint at one end is about 1/4 of your height:
The Femur
In France this feature of the night sky is known as “le casserole”:
The Big Dipper
Which constellation represents a hunter and weapons?
Orion
One of these mammals that inhabits the East Indies has a wingspan of over 5 1/2 feet
Bat
The head of this river is dry for much of the year and flows to an estuary on the North Sea:
The Thames River
This fatty substance inside the bones is a major site of blood cell production:
Marrow
Rhyming nickname of Boston’s Interstate 93 construction project:
The Big Dig
A galactic cloud of dust & gas, its name comes from the Latin for "cloud"
Nebula
This spiny relative of the starfish is sometimes referred to as a sea hedgehog
SEA URCHIN