Animal form and function

Question 1

What is a tissue?

Answer 1

A group of one/more cell types that carry out a specialized function.

Question 2

What are the 4 types of tissue in human body?

Answer 2

1. Epithelial
2. Connective
3. Muscle
4. Nervous

Question 3

Characteristics of epithelial tissue

Answer 3

• Covers internal/external free surfaces and organs
• Cells of the tissue are closely packed
• Have both apical and basal surfaces where apical remains fre and basal is attached to basement membrane
• No blood vessels present in the tissue
• Tissue gets nutrients and O from the underneath connective tissue.

Question 4

Functions of epithelia

Answer 4

1. Protection
2. Absorption
3. Secretion

Question 5

Types of epithelia based on,
a) No. of cell layers
b) shape of cells

Answer 5

a) simple, compound
b) simple squamous, simple cuboidal, simple columnar, pseudostratified columnar
stratified squamous, transistional epithelium

Question 6

Give the location and functions of the types of epithelia

Answer 6

table