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.

Movement of body parts, MOVEMENT OF BODY PARTS - Movement of appenda...

MOVEMENT OF BODY PARTS - Movement of appendages bring about locomotion. Perapodia, setae in Annelida, jointed legs in Arthropoda, flat foot in mollusca, tube feat in sta

Causes of cancer, Causes of Cancer We know earlier that a malignant tu...

Causes of Cancer We know earlier that a malignant tumor is a large aggregation of cancer cells, all of them descended from a single founder cell that was once a normal cell wi

Who created the two-part naming system used in biology, Who created the two...

Who created the two-part naming system used in biology? The scientific naming system that is used worldwide today was primary devised by Swedish naturalist Carl Linnaeus in 173

Argon, will argon tend to form bonds with other elements?

will argon tend to form bonds with other elements?

Which kind of polarity do water-soluble have, Which kind of polarity do wat...

Which kind of polarity do water-soluble and fat-soluble substances respectively have? Water-soluble substances are polar molecules, i.e., they have electrically charged areas.

Is water a polar molecule or non-polar, Q. Is water a non-polar or a polar ...

Q. Is water a non-polar or a polar molecule? What is the consequence of that characteristic for the function of water as solvent? Water is made of two atoms of hydrogen attache

What is the requirements of dental implants, Requirements of Dental implant...

Requirements of Dental implants Dental implants require special oral hygiene techniques. The particular technique chosen often depends upon the prosthesis. A removable prosth

Microbiology, advantages of spread plate method over pour plate method

advantages of spread plate method over pour plate method

Show the resolution products of a reciprocal recombination, Two homologous ...

Two homologous human chromosomes have the following structure: where the letters represent genetic markers and the black dot represents the centromere. 1. Diagram the two chromosom

Action of hormones, Action of Hormones We said earlier that hormones a...

Action of Hormones We said earlier that hormones are released into the blood stream or extracellular fluid and therefore, reach most of the cells of the body. However, they

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages