What is Arborescent organ?
Arborescent Organs or Dendriform Organs It is an two air chambers which are extensions of the branchial cavities. The air chamber contains two richly vascular branching structures, called as dendriform organs or arborescent organs.
What are the accessory respiratory organ in fishes?
Accessory respiratory organs such as air bladder, buccal cavity, alimentary canal, skin air chambers help fishes to take in atmospheric oxygen. These organs also enable them to aestivate (summer sleep), to live in water having biological oxygen in depth and also to survive outside the water.
Which fish has gut epithelium as an accessory respiratory organ?
Many embryos and larvae of fishes respire through the skin before the emergence of the gills. The median fin fold of many larval fishes is supplied with numerous blood vessels and helps in breathing. The highly vascular opercular fold of Sturgeon and many Catfishes serves as the accessory respiratory structure.
What is the accessory respiratory organ in clarias Batrachus?
The respiratory organs in Clarias comprise a gill system and accessory organs which include the labyrinthine organ and the suprabranchial chamber membrane.
What is the respiratory organ of cockroach?
tracheae
The respiratory organ of cockroach is referred to as tracheae. The trachea is a dense array of a network of air tubes found in the internal system.
What is the organ of respiration in amoeba?
cell membrane
Respiration in Amoeba: The exchange of gases in Amoeba takes place through its cell membrane. Amoeba lives in water. This water has oxygen dissolved in it. The oxygen from water diffuses into the body of Amoeba through its cell membrane.
What is the respiratory organ of earthworm?
skin
b) Respiratory organ of Earthworm is skin. Earthworm is aerobic and gaseous exchange takes place through general body surface. The skin remains moist due to moisture of soil, mucus secreted from epidermal gland cells and the coelomic fluid that oozes out from the dorsal pores.
What is the respiratory organ of spider?
lungs
Spiders (Araneae) are unique regarding their respiratory system: they are the only animal group that breathe simultaneously with lungs and tracheae. Looking at the physiology of respiration the existence of tracheae plays an important role in spiders with a well-developed tracheal system.
Which pigment is present in cockroach?
The correct answer is (C) Haemocyanin. The respiratory pigment of cockroaches is called hemolymph.
How many trachea are there in cockroach?
The respiratory system of cockroach consists of 1. Stigmata 2. Trachea and 3. Tracheoles.