Question

Define animal tissue. Answer at the earliest.

Answer 1

The animal organs are made four types of animal tissues-

1. Epithelial tissue-covers body surface and lines the body cavities,and internal organs.
2. Connective tissue-acts as packaging tissue and bind tissues.
3. Muscular tissue-helps in movement of the body.
4. Nervous tissue-receive and transmits impulses from one place to another.

Answer 2

AnswEr:

Animal tissue:

Tissue is a group of cells, which are having similar structure, origin and performs a specific or similar function.

• It was first evolved in coelenterates or cnidarians.
• First "tissue" term was given by Bi-chats.
• Study of tissue is known as histology which was given by Mayer.

Types of animal tissue :

★ Epethelial tissue:

• Made up of three germ layers.
• Can be of two types - Simple, compound
• Types - Squamous, cuboidal, cubical, columnar, ciliated, pseudostratified, myo Epethelial, glandular epethelial.

★ Connective tissue:

• Made up of endoderm.
• Types - Loose, Areolar, Adipose, Dense, Regular, tendon, ligament, irregular, specialised, blood, lymph, bone, cartilage.

★ Muscular tissue:

• Made up of mesoderm.
• Can be of three types - Skeletal, smooth, cardiac

★ Nervous tissue:

• Made up of ectoderm.
• Consists two type of cells, - Neuron and neuro glial cells.

$\rule{200}2$