Animal Structure and Function




Animal Structure and FunctionIn order to survive, animals should be able to coordinate the functions of their numerous specialized cells, consume and digest food, circulate nutrients, pull oxygen through the air and oxygen to their cells, move, remove wastes, maintain body temperature and reproduce. Animals also have developed different behaviors that assist them to survive.

Control Systems

Humans and other extremely evolved animals have produced two main systems with regard to synchronizing and coordinating the functions of their thousands and thousands of individual cells. The nervous system works quickly by transmitting electrochemical impulses. The endocrine system is actually a slower system of manage; it works by releasing chemical signals to the circulation. Additionally to coordinating important bodily functions, these two control systems permit the animal to behave to both its internal and external environments.

In order to survive, animals should be able to coordinate the functions of their numerous specialized cells, consume and digest food, circulate nutrients, pull oxygen through the air and oxygen to their cells, move, remove wastes, maintain body temperature and reproduce. Animals also have developed different behaviors that assist them to survive.

Control Systems

Control SystemsHumans and other extremely evolved animals have produced two main systems with regard to synchronizing and coordinating the functions of their thousands and thousands of individual cells. The nervous system works quickly by transmitting electrochemical impulses. The endocrine system is actually a slower system of manage; it works by releasing chemical signals to the circulation. Additionally to coordinating important bodily functions, these two control systems permit the animal to behave to both its internal and external environments.




Types of Animals

Generally, Scientists have arranged animals into two classes:

Vertebrates (animals with backbones)

Invertebratres (animals with no backbones)

Each animal of the planet belongs to one of them.

Vertebrates

The five most popular classes of vertebrates tend to be birds, mammals, reptiles, fish, amphibians. They all are part of the phylum chordate.

Invertebrates

You can find also a lot of animals without backbones. These are known as invertebrates and are part of the phylum arthropoda (arthropods). Two of the most generally known classes in this phylum are insects and arachnids (spiders).

Mammals

Humans are mammals. So are cats, dogs, duckbill platypuses, horses, dolphins, kangaroos and whales. If an animal drinks milk when it is a baby and has hair on its body, it is among the mammal class. Coyote, Dog, Elephant, Polar Bear, Camel, Giraffe, Vampire Bats, Dolphin, Fox and Horse. 

Any animals who have more than four, jointed legs are arthropods. Insects, crustaceans and spiders all belong to this class of animals. Spider, Insects, Praying Mantis, Grasshoppers, Butterfly, Dragonfly and Bees.

Animal Cell Structures and Functions

Animal Cell Structures and FunctionsAnimal cells are a kind of eukaryotic cell having a nucleus, membrane-bound organelles with no cell wall. Here is an overview of their structure and function. All living things are constructed of cells, the tiniest units of life and you can find only two main kinds of cells:

prokaryotes, which are the primitive, basic cells of bacteria and their bacteria-like cousins archaea

eukaryotes, which contain the more advanced cells of plants, animals, protozoans, fungi, algae and slime and water molds

Eukaryotic cells discuss many similar characteristics, such as some of the following structures, which could be found in the cells of animals:

Glycocalyx: A few animal and protozoan cells have got this sticky external layer anchored to the plasma membrane.

Cilia and flagella: Made of microtubules protected with plasma membrane (analogous to an arm or leg bone covered in skin), these exterior appendages, existing in some animal cells, assist in cell movement and in moving materials round the outside surface of the cell.

Plasma membrane: All cells possess plasma membranes. In eukaryotic cells, this barrier among the outside and the inside of the cell is made mostly of phospholipids, sterols and proteins.   








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