Digestive system - pharynx, Biology

Assignment Help:

PHARYNX -

Commom system between digestive system and respiratory system.

In it gullet and glottis present.Gullet leads to oesophagus. Glottis lead to trachea.

Wall of pharynx is muscular, it promotes swallowing.

Three parts are clear in pharynx.

(i) Naso pharynx - Towards nasal chamber. Attached to middle ear by Eustachain tube.

(ii) Oropharynx - 6 tonsils present, made up of lymphoid tissue, guard of body.

(iii) Laryngeo pharynx - Towards larynx.


Related Discussions:- Digestive system - pharynx

Reproduction, name the sturcture formed when the male and female nuclei fus...

name the sturcture formed when the male and female nuclei fuse during fertilisation.

Explain about the term- chroma, Explain about the term- Chroma Chroma is...

Explain about the term- Chroma Chroma is the relative purity or strength of the spectral colour and its numerical value extend from (/0) for neutral colours to (/8) for the stro

Explain amylose, Amylose Amylose molecules have molecular weights rangi...

Amylose Amylose molecules have molecular weights ranging from 10 4 -20 6 . Amylose can form an extended shape (hydrodynamic radius 7-22 nm) but generally tends to wind up into

What is the evolutionary origin of the internal membranous, What is the evo...

What is the evolutionary origin of the internal membranous organelles of the cell? It is accepted that the internal membranous organelles of the eukaryotic, like the Golgi app

Show examples of annelids, Q What are the few examples of annelids? Ear...

Q What are the few examples of annelids? Earthworms, lugworms and leeches. Q. Which are the morphological features that differentiate the beings of the phylum Annelida from

Define the reaction to food additives, Define the Reaction to Food Additive...

Define the Reaction to Food Additives? Food additives such as preservatives, flavour enhancers and colouring agents have been linked to adverse food reactions. Additives implic

Explain the lamarcks theory in evolution, Explain the Lamarck's Theory in e...

Explain the Lamarck's Theory in evolution? Prior to Darwin, most people believed in and held to the creationist viewpoint that species were created in their current forms, whic

What ways farmers try to improve the quality of their soil, a) In what way...

a) In what ways do farmers try to improve the quality of (i) their soil, (ii) their crop plants?    b) What other steps do farmers take to maximise the yield from their

What do you mean by neurotransmitters, Q. What do you mean by neurotransmit...

Q. What do you mean by neurotransmitters? - Nicotinic receptors (nicotine mimics the effects of Ach here). Found at NM-junction, ANS ganglions in general. Binding of Ach to

What function present in placental mammalian embryos, Q. Which is the extra...

Q. Which is the extraembryonic membrane whose function is to store nitrogen wastes of the embryo? Is this function present in placental mammalian embryos? The allantois is the

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd