Zusammenfassung der Ressource
Biology Unit 2.2 - Tissues, organs
and organ systems
- Animal Organs
- Large multicellular organisms
develop systems for
exchanging materials
- During the development,
Cells differentiate so they
can perform different
functions
- Tissues - A group of cells
with similar structure and
function
- Muscular Tissue - Can
contract to bring about
movement
- Glandular Tissue - Can produce
substances such as enzymes and
hormones
- Epithelial Tissue - Covers some
parts of the body
- Organs are made of tissues. One
organ may contain several tissues.
The stomach is an organ that
contains...
- Muscular Tissues - to churn
the contents
- Glandular Tissue - to produce
digestive juices
- Epithelial Tissue - to cover the
outside and inside of the stomach
- Organ Systems - groups of organs
that perform a particular function. E.g.
the Digestive System which includes...
- Glands such as the pancreas and
salivary glands
- These produce digestive juices
- The stomach and
small intestine
- Digestion occurs here
- The Liver
- Bile is produced here
- The small intestine
- The absorption of
soluble food occurs
here
- The large intestine
- Where water is absorbed from
the undigested food, which
produces faeces
- Plant Organs
- Included stems, roots and leaves
- Example of plant tissues include
- Epidermal tissues
- These cover the plant
- Mesophyll
- This carries out photosynthesis
- Xylem and Phloem
- Transports substances around the plant