Chordata
The Chordata phylum contains animals that share close characteristics, namely pharyngeal slits, dorsal nerve cords, notochords, and post-anal tails. In the case of humans, for example, some features may only be present in the embryo.
The pharyngeal slits connect the inside of the throat to the exterior of the neck. These are used as gills, in the appropriate animals.
Dorsal nerve cords connect the brain with the back, helping the body properly function.
The notochord runs beneath, and supports, the dorsal nerve cords.
Post-anal tails appear in most animals, with the exception of humans. However, since humans, at one point in their existence, possessed them, evidence of tails can be seen most prominently in the embryo.
The pharyngeal slits connect the inside of the throat to the exterior of the neck. These are used as gills, in the appropriate animals.
Dorsal nerve cords connect the brain with the back, helping the body properly function.
The notochord runs beneath, and supports, the dorsal nerve cords.
Post-anal tails appear in most animals, with the exception of humans. However, since humans, at one point in their existence, possessed them, evidence of tails can be seen most prominently in the embryo.
Canis lupus familaris
The excretory system is a vital function in any organism, and "man's best friend" is no different. Dogs, like other mammals, excrete solids via large intestines, with the solids existing through the anus. The process by which dogs, or Canis lupus familiaris, remove water and metabolic wastes and toxins in the blood via the excretory system.
Perhaps the most important organs of the excretory system are the kidneys. They remove the "bad" materials from the blood while, at the same time, picking out the healthy nutrients that has passed through. Once the urine has been concentrated, it moves through the ureters to the bladder, the pouch that carries the urine until it is full enough to the point where it needs to be emptied. As a puppy, like humans, matures, it can hold more urine for longer periods of time; however, as the dog becomes old, the need to urinate, once again, becomes more frequent. The urine exits out either the penis or vagina.
Perhaps the most important organs of the excretory system are the kidneys. They remove the "bad" materials from the blood while, at the same time, picking out the healthy nutrients that has passed through. Once the urine has been concentrated, it moves through the ureters to the bladder, the pouch that carries the urine until it is full enough to the point where it needs to be emptied. As a puppy, like humans, matures, it can hold more urine for longer periods of time; however, as the dog becomes old, the need to urinate, once again, becomes more frequent. The urine exits out either the penis or vagina.
Homo sapien
Similar to the way Canis lupus familaris removes wastes, the human body also utilizes the large intestines for excretion of solids and organs such as the kidneys to eliminate liquids.
When the large intestines have processed wastes, or anything that the body simply has no use for (meaning anything that can be considered harmful to the body), it is excreted via the anus. The colon, cecum, and rectum make up the large intestine.
Homo sapiens, when removing liquid waste, sends unwanted and harmful materials through the kidneys, where they are assessed to find out whether the materials are safe or dangerous. After the urine has been made, it is passed through through the ureter to the penis or vagina for final excretion.
When the large intestines have processed wastes, or anything that the body simply has no use for (meaning anything that can be considered harmful to the body), it is excreted via the anus. The colon, cecum, and rectum make up the large intestine.
Homo sapiens, when removing liquid waste, sends unwanted and harmful materials through the kidneys, where they are assessed to find out whether the materials are safe or dangerous. After the urine has been made, it is passed through through the ureter to the penis or vagina for final excretion.
Amphiprion ocellaris
Under the classification, this time, of amphibian is the clownfish, or amphiprion. They are omnivores whom consume mostly algae, crustaceans, and molluscs. These animals, too, however, are considered Chordatas as they share the four bullets listed at the top of this page.
The clownfish's excretory system serves the purpose of maintaining homeostasis by controlling the amount of water is in the body. It also is in charge of the removal of metabolic wastes from the circulatory system. The clownfish, which grows around 13 cm in size, utilizes the kidneys, ureters, and bladders the same way that dogs and humans do. However, they use the cloaca to excrete their unwanted materials.
The clownfish's excretory system serves the purpose of maintaining homeostasis by controlling the amount of water is in the body. It also is in charge of the removal of metabolic wastes from the circulatory system. The clownfish, which grows around 13 cm in size, utilizes the kidneys, ureters, and bladders the same way that dogs and humans do. However, they use the cloaca to excrete their unwanted materials.