Do humans have hemocyanin in their blood? The blue comes from a copper-rich protein called hemocyanin, which carries oxygen from the lungs to the bloodstream and then to the cells of the octopus's body. Hemoglobin, an iron-containing protein found in the blood of other animals—including huma...
Heartbeats: Worms don't have just one heart. They haveFIVE! But their hearts and circulatory system aren't as complicated as ours -- maybe because their blood doesn't have to go to so many body parts. Moving around: Worms have two kinds of muscles beneath their skin. Do earthworms have...
Worms are an informal classification of animals that typically have a long, tube-like body without limbs or eyes. However, the set of individual species that are called worms can be very distantly related, and include annelids, nematodes, priapulids, and marine nemertean worms....
in November to do another.” Talk of 70km and 100km endurance events have surprised her. “You’re watching and thinking, “Who are these people? What happened to my friend? I remember what you were like when you joined this group, and now...” It’s opened up a can of worms.”...
Are humans in the phylum Chordata? Do amoebas have pseudopods? Do flatworms have an endoskeleton or exoskeleton? Do members of the phylum Mollusca have dorsal or ventral nerve cords? What are the defining characteristics of the phylum Porifera?
How Do Worms Eat? The first part of the worm's digestive tract is where the worm eats and begins to break down the food. Worms eat food through their lips or the opening to the worm's mouth. Worms do not have teeth, but they can grind down their food with the help of the gritti...
For manyvertebrates, including humans, their lungs are essential. Four living amphibian clades, however, no longer breathe via their lungs and instead breathe predominantly through their wet skin. Little is known about the developmental basis of lung loss in these clades. ...
There is vast variation between different species and genera of worms, but they all have one thing in common; a hydrostatic skeleton. When you include nematodes in the worm family, worms outnumber humans 100 billion to one. The common earthworm outnumbers humans by around 50 billion to one....
They change shape and color, and squirt ink. But they also will return your gaze, "as if they're scrutinizing you."
Do chickens pee? Chickens do not pee in the same way that humans or other mammals do. Instead, chickens have a chamber called a cloaca, which serves as the meeting place for waste and urine. When chickens eat food, it passes through their digestive system and is broken down into nutrients...