Q: What has 13 hearts, but no other organs? ... ... A: A deck of playing cards.
Cockroaches have a 13-chambered heart that is long, thick, and muscular. A single heart is represented by each chamber. It can be found in the hemocoel's pericardial sinus. Each chamber of the heart receives oxygenated blood from the dorsal sinus through a pair of Ostia or valvular holes.
What has 13 hearts, but no lungs or stomach? Your teen will probably be thinking literally, and will be trying to remember from science class what animal matches this description! But with riddles, you have to think of multiple word meanings—in this case, what else “hearts” could refer to. Answer: A deck of cards.
The answer is Deck of cards. The deck of cards has 13 cards of heart but does not have a single organ as they have hearts ♥, diamonds ♦, clubs ♣, and spades ♠.
The answer for What Has 13 Hearts, But No Other Organs Riddle is A Deck of Cards.
Q: What has 13 hearts, but no other organs? ... ... A: A deck of playing cards.
What has teeth but doesn't bite? A comb!
Some animals like the octopus have more than one heart. An octopus has one main, systemic heart that pumps blood to the whole of its body. But it also has two additional hearts, responsible for pumping blood over each of its gills.
You can still have a fairly normal life without one of your lungs, a kidney, your spleen, appendix, gall bladder, adenoids, tonsils, plus some of your lymph nodes, the fibula bones from each leg and six of your ribs.
Octopuses have blue blood, three hearts and a doughnut-shaped brain. But these aren't even the most unusual things about them!
The answer to the “what has an eye but cannot see” riddle is a needle.
talks, has a head but never weeps, has a bed but. never sleeps? Answer: A River!
To many, leeches are horrifying creatures. To a few, they're impressive and miraculous. They have 32 brains, 2 hearts, 300 teeth grouped in 3 jaws, five pairs of eyes...
There is a systemic heart, the main heart, and two lesser hearts that pump blood to the gills where waste is discarded and oxygen is received. They are also the world's tallest mammals.
Jellyfish: The informal popular names for the medusa-phase of several gelatinous members of the subphylum Medusozoa, a significant division of the phylum Cnidaria, are jellyfish and sea jellies. Although jellyfish have no hearts, they can get rather big even brains.
Such an enormous pressure would require a very large, strong and slow-beating heart. But, they postulate, instead of a single large heart, the Barosaurus probably had some eight hearts.
It is an octopus. Yes, the multi-tentacled creature that has always intrigued us has three hearts and nine hearts. Read on to know why. The two hearts of this creature are made for the gills and are used to pump blood.
Earthworms are one of the most common animals with multiple hearts. These decomposers can be found pretty much everywhere, as long as there's dirt for them to live in.
Answer: The eyeball is the only organism which does not grow from birth. It is fully grown when you are born. When you look at a baby's face, so see mostly iris and little white. As the baby grows, you get to see more and more of the eyeball.
Vestigial organs are parts of the body that once had a function but are now more-or-less useless. Probably the most famous example is … the appendix, though it is now an open question whether the appendix is really vestigial.
Many different things could be at the end of a rainbow but the one that can be the most common is gold. Most people believe that gold is at the end because you should receive it for finding it and for putting in the work for it.
What has four legs and one back but can't walk? Chair.
An echo speaks without a mouth and hears without ears. It comes alive with wind. Hence, 'An echo' is the required answer to this riddle.