Cutaneous respiration in earthworm., Biology

Assignment Help:

Cutaneous respiration in earthworm.

The respiration performed by the skin is called cutaneous respiration
In earthworm skin is the only organ of respiration.
The skin is richly supplied with blood vessels.In earthworm, the respiratory pigment (unlike other animals haemoglobin is dissolved in the plasma of blood but not in blood corpuscles) Haemoglobin carries oxygen to the tissues.
The skin is always kept moist because of the secretion of mucous & coelomic fluid which comes out through dorsal pores.
The oxygen present in the air diffuses into thin water layer which is beneath the mucous layer and then it diffuses into the blood through the walls of blood capillaries. In the same way carbondioxide expels out through the skin.
Earthworms come out of their burrows in rainy season when the burrows are filled with water due to suffocation.

Related Discussions:- Cutaneous respiration in earthworm.

Levels of prevention, Family Centred Activities to Ensure Harmonious Relati...

Family Centred Activities to Ensure Harmonious Relationship: Between various members of the family attitudes of mutual trust, love and respect for one another need to be fo

Germplasm conservation - plant tissue and organ culture, Germplasm Conserva...

Germplasm Conservation - plant tissue and organ culture Totipotent plant cells and shoot tips can be freeze-preserved in liquid nitrogen (-196? C) for long periods, and wh

What do you mean by trichomoniasis, Q. What is trichomoniasis? Why is it cl...

Q. What is trichomoniasis? Why is it classified as an STD? The Trichomoniasis is an extra-intestinal protozoan infection caused by the Trichomonas vaginalis, a flagellate proto

Principle for presence of vanaspati and rancidity in ghee, Principle for Pr...

Principle for Presence of Vanaspati and Rancidity in Ghee Cheap edible and nonedible oils like argemone oil, white oil, tea seed oil etc. are used as adulterants in more expens

If comparing brain of vertebrates then relative size would b, In a comparis...

In a comparison of brain found in lower classes of vertebrates to the brain in higher classes of vertebrate's area showing most increase in relative size is: a) Optic lobe b

Amount of intracellular chloride ions in neuron a, Amount of intracellular ...

Amount of intracellular chloride ions in neuron A Neuron A is a healthy neuron with all the usual ion channels. When at rest with a membrane voltage of R millivolts, neuron A

Classify suture materials, Classify suture materials Sutures can broad...

Classify suture materials Sutures can broadly be classified into two kinds - Absorbable: will break down harmlessly in the body over time without intervention, Non-absor

Venous return, This is the amount of blood that is returned to the heart by...

This is the amount of blood that is returned to the heart by the veins. This is influenced by various factors. Inspiration decreases the pressure in the central veins and thus inc

Treatment of water for industrial use, Water is widely used in various proc...

Water is widely used in various process applications in industry. Other major industrial uses are boiler feed water and cooling water. The king and degree of treatment of water in

What is immuno adsorption, It is elimination of an antigen or antibody from...

It is elimination of an antigen or antibody from a sample by the process of adsorption, to which the complimentary antigen or antibody is bound.

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages