Tissues are groups of cells that work together to perform a specific function. There are two main types of plant tissues: meristematic tissues and permanent tissues. Meristematic tissues are involved in growth and include apical, intercalary, and lateral meristems. Permanent tissues provide structure and include simple tissues like parenchyma, collenchyma, and sclerenchyma and complex tissues like xylem and phloem. The main animal tissues are epithelial, connective, muscle, and nerve tissues. Epithelial tissue covers and protects organs, connective tissue binds and supports, muscle tissue contracts, and nerve tissue transmits signals.

3. What are tissues ?
The group of cells that are
similar in structure and work
together to achieve a
particular function are called
tissues.

4. Tissues
Plant tissues
Meristematic
tissue
Permanent
tissueAnimal
tissues

6. MERISTEMATIC
TISSUE
APICAL
MERISTEM
INTERCALARY
MERISTEM
LATERAL
MERISTEM

7. APICAL MERISTEM :
• It is present at the growing
tips of stems and roots.
• It increases the length of
stems and the roots.

8. Intercalary meristem:
• It is present at the bottom of
leaves or internodes on twigs.
• It is helpful in the growth of stems
and leaves.

9. lateral meristem :
• It is also known as cambium.
• It increases the girth of stems
and roots.

10. PERMANENT
TISSUES
SIMPLE
PERMANENT
TISSUE
COMPLEX
PERMANENT
TISSUE

11. SIMPLE
PERMANENT
TISSUE
PARENCHYMA COLLENCHYMA SCLERANCHYMA

12. PARENCHYMA:
• Parenchyma, in plants, tissue typically
composed of living cells that are thin-
walled, unspecialized in structure, and
therefore adaptable, with differentiation,
to various functions.
• It forms the
1. innermost layers
2.inner layers
3.outer layers
of the plants.

13. Collenchyma :
• Collenchyma cells have thin primary
walls with some areas of secondary
thickening.
• Collenchyma provides extra
structural support, particularly in
regions of new growth.

14. SCLERENCHYMA :
• Sclerenchyma cells have thick
lignified secondary walls and often die
when mature.
• Sclerenchyma provides the main
structural support to a plant.

15. COMPLEX
PERMANENT
TISSUE
XYLEM PHLOEM

16. • Xylem carry water and minerals
from the roots to the leaves.
• Phloem tubes carry sugar &
other organic nutrients made by
plant from the leaves to the rest of
the plant.

18. Animal
tissue
connective
epithelial nerve
muscle

19. Epithelial tissue:
• Epithelial tissue covers external surfaces
and internal cavities and organs.
• Its functions are
• protection
• absorption
• secretion

20. Connective tissue:
• The cells of connective tissue are
separated by non-living material.
•Connective tissue binds and
supports body parts, protects, fills
spaces, stores fat (for energy), and
transports materials.

21. Muscle tissue:
• Muscle tissue contracts in response
to stimulation.
• It cannot lengthen by itself but is
lengthened by the contraction of
other muscles..
Muscle tissue is used for locomotion,
food movement in gut, and heat
production.

22. Nerve tissue:
• Nervous tissue responds to stimuli and
transmits impulses from one body part to
another.
• The outer layer-epidermis
• The inner layer-Dermis
• The deepest layer-Subcutaneous layer

23. DONE BY
R.ANGALA PARAMESHWARI