Table of Contents
- 1 What are the similarities and differences between gills and lungs?
- 2 What are the similarities and differences between the respiratory systems of humans and fish?
- 3 What are the similarities and differences between gas exchange in mammals and fish?
- 4 What’s the difference between the gills and the lungs?
- 5 How are gill rakers connected to the pharynx?
What are the similarities and differences between gills and lungs?
What is the difference between Gills and Lungs? Both organs are vital as gas exchanging surfaces, but gills are important to extract dissolved oxygen in water while lungs are important to extract atmospheric oxygen. Gills are found in aquatic organisms, whereas lungs are found in terrestrial air-breathing animals.
What is common between lungs and gills?
These are the similarities between gills and lungs: – Both organs are used to breathe air. – They inhale oxygen and exhale carbon dioxide form the body. – Both organs are richly supplied with blood capillaries transport oxygen and carbon dioxide.
What are the similarities between all respiratory organs?
These organs have been structured to allow easy diffusion of respiratory organs and are made up of thin walls to facilitate the exchange of these gases. The respiratory organs like gills, skin, and lungs are all provided with a rich supply of blood for proper functioning and for transporting the respiratory gases.
What are the similarities and differences between the respiratory systems of humans and fish?
The respiratory system of fish and humans are very different, however they are similar in that both organisms intake oxygen through their mouths, and exhale carbon dioxide. Internal respiration is when gases in the form of oxygen and carbon dioxide are exchanged between the cells of the body and the blood.
What is similarities of respiratory and circulatory system?
Both the systems are concerned with transportation of oxygen in the body. 2. Both the systems are involved in removing waste products out of the tissues and eventually out of the body, that is, Carbon dioxide.
What is similarities and differences of respiratory and circulatory system?
Circulatory system pumps blood around the body and the Respiratory system is to take oxygen in and expel carbon dioxide. Similarities: When deoxygenated blood enters the heart and it is then transported via pulmonary veins to be oxygenated by the lungs. Both systems involve oxygen for the body to work.
What are the similarities and differences between gas exchange in mammals and fish?
Mammals and insects both get their oxygen from air, while fish get oxygen from water. Water has a much lower oxygen concentration than air, and is harder to ventilate because it is more viscous. This means fish need to have a more efficient gas exchange system to get enough oxygen from the water.
What is one difference between the respiratory systems of birds and mammals?
The mammalian lung has reciprocating ventilation with large terminal air spaces (alveoli) while the avian lung has a flow-through system with small air capillaries. As a result the environment of the pulmonary capillaries is very different between the mammals and birds.
Are air sacs unique to birds?
Air sacs are spaces within an organism where there is the constant presence of air. Among modern animals, birds possess the most air sacs (9–11), with their extinct dinosaurian relatives showing a great increase in the pneumatization (presence of air) in their bones.
What’s the difference between the gills and the lungs?
While gills are external extensions of the body surface, lungs are internal folds. Moreover, gills help to breathe oxygen dissolved in water while lungs help to breathe oxygen in the air. Thus, this is the main difference between gills and lungs.
How are the gills different in fish and amphibians?
Generally, they mainly occur in fish but, amphibians, arthropods and annelids also have gills. Gills are a type of convoluted growths surrounded by blood vessels. Additionally, a thin epithelial layer covers them. However, the gills in fish and crabs are internal while gills in amphibians are external.
Where are the gill filaments located in the respiratory system?
A gill is formed of two rows of a series of gill-filaments or gill-lamellae develop from the epithelium covering the interbranchial septum on both sides. Interbranchial septum extends outward from the cartilaginous arch. A single row of gill-filaments on one side of interbranchial septum forms a half gill called a hemibranch or demibranch.
How are gill rakers connected to the pharynx?
Gill rakers protrude from gill cartilage & ‘guard’ entrance into gill chamber 2 demibranchs + septum & associated cartilage, blood vessels, muscles, & nerves = holobranch pouches connected to pharynx by afferent branchial (or gill) ducts & to exterior by efferent branchial (or gill) ducts