Is a donkey a mule?
A mule is the offspring of a male donkey (jack) and a female horse (mare). Horses and donkeys are different species, with different numbers of chromosomes. Mules are reputed to be more patient, hardy, and long-lived than horses, and are described as less obstinate and more intelligent than donkeys.
What’s the difference between a donkey a mule and a jackass?
A mule is a cross between a horse and donkey. However, it’s a cross between a mare (a female horse) and a jack (a male donkey, thus the name jackass). Apparently, it’s pretty rare for a male horse and female donkey (called a jenny, BTW) to hook up and produce offspring. A burro, it turns out, is simply a small donkey.
What creature has the most hearts?
Octopus/Squid
How many hearts does a cockroach have?
13 chambered
Do giraffes have three hearts?
Three hearts, to be exact. There is a systemic (main) heart. Two lesser hearts pump blood to the gills where waste is discarded and oxygen is received. They work like the right side of the human heart.
Do giraffes have 2 stomachs?
Giraffes are ruminants (like cows, sheep, and deer). This means that they have more than one stomach. In fact, giraffes have four stomachs, and the extra stomachs assisting with digesting food.
What color is a giraffe’s tongue?
The colour of the tongue is best described as black, blue or purple with a pink base/back. It is generally assumed that the front part of the tongue has such dark coloration to protect it during frequent sun exposure while eating and prevent the tongue from getting sunburned, however, no one really knows.
What has a 4 chambered heart?
Birds and mammals, however, have a fully septated ventricle–a bona fide four-chambered heart. This configuration ensures the separation of low-pressure circulation to the lungs, and high-pressure pumping into the rest of the body.
Which artery connects the heart to the lungs?
Upper Body Circulation In the lungs, the pulmonary arteries (in blue) carry unoxygenated blood from the heart into the lungs. Throughout the body, the arteries (in red) deliver oxygenated blood and nutrients to all of the body’s tissues, and the veins (in blue) return oxygen-poor blood back to the heart.
How does blood enter and leave the heart?
The right and left sides of the heart work together Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium. The pulmonary vein empties oxygen-rich blood, from the lungs into the left atrium.