What are the 11 organ systems of the animal body?

Organs and systems of an animal body

  • The organs of the body.
  • The musculo-skeletal system.
  • The digestive system.
  • The circulatory system and blood.
  • The respiratory system.
  • The urinary system.
  • Nervous system.
  • Reproductive system (Breeding)

What are the major vertebrate organ system?

In addition to the skeletal system, vertebrates have many other complex organ systems including a closed circulatory system with a ventral (bottom side) heart having two to four chambers, a respiratory system, a well-developed muscular system with a muscular mouth and pharynx, an excretory system, and an immune system.

Which organ system is the same for mammals and birds?

The nervous system
The nervous system of birds is similar in many respects to that of mammals.

Do birds have organs?

Like reptiles, birds possess a cloaca, a chamber that receives digestive and metabolic wastes and reproductive products. The testes of the male bird are internal, like those of reptiles. Intromittent organs are found in only a few groups (waterfowl, curassows, tinamous, ratites).

What are the organ system of animals?

Organ Systems in Animals Encyclopædia Britannica, Inc. In the more advanced animals, there are usually 10 organ systems: integumentary (skin), skeletal, muscular, nervous, endocrine (hormonal), digestive, respiratory, circulatory, excretory (urinary), and reproductive.

What is the most important organ system in animals?

Arguably the most important organ system from the perspective of evolution, the reproductive system enables animals to create offspring.

What is animal organ system?

In the more advanced animals, there are usually 10 organ systems: integumentary (skin), skeletal, muscular, nervous, endocrine (hormonal), digestive, respiratory, circulatory, excretory (urinary), and reproductive.

How many organ system are there in an animal body?

Eleven major organ systems are present within animals, although some animals lack one or more of them. The vertebrate body has two cavities: the thoracic, which contains the heart and lungs; and the abdominal, which contains digestive organs.

What are the organ system of birds?

Birds have a light skeletal system and light but powerful musculature which, along with circulatory and respiratory systems capable of very high metabolic rates and oxygen supply, permit the bird to fly. The development of a beak has led to evolution of a specially adapted digestive system.

How does a bird organ system function?

Organ Systems Adapted for Flight Birds need a light-weight body in order to stay aloft. Even so, flying is hard work, and flight muscles need a constant supply of oxygen- and nutrient-rich blood. The organ systems of birds are adapted to meet these needs. Birds have light-weight bones that are filled with air.

What are the organ systems of a bird?

  • Skeletal system.
  • Muscular system.
  • Integumentary system.
  • Respiratory system.
  • Circulatory system.
  • Digestive system.
  • Reproductive and urogenital systems.
  • Nervous system.

What are birds body parts?

Parts of a Bird

  • Forehead.
  • Beak.
  • Chin.
  • Eye.
  • Throat.
  • Wing.
  • Thigh.
  • Tarsus.