1. What is a system? Different parts working together to perform
a function
Input and output
Processes involved
From the dictionary…
A functionally related group of elements
Examples of systems in human body
The nervous system
The skeletal system
The digestive system

2. Systems in plants ?

3. Plant parts and their functions
Plant parts
Growing plants indoor
Mystery #1

4. Photosynthesis INPUT Carbon dioxide Water Sunlight LEAVES
From surrounding through stomata
Carbon dioxide
Water
Sunlight
roots
LEAVES
What Process?
chlorophyll
All parts of plants for respiration or storage
To surrounding air through stomata
OUTPUT
Photosynthesis
Food
Oxygen

5. Respiration INPUT Oxygen Food ALL PLANT CELLS What Process? OUTPUT
From surrounding air through pores
Oxygen
Food
From leaves
ALL PLANT CELLS
What Process?
OUTPUT
To surrounding air through pores
Energy
Carbon dioxide
Water

6. Transport in Plants
Shoot / Stem
Two types of tubes
Tubes that transport water and dissolved minerals from roots to other plant parts
Tubes that transport food/sugar from leaves to other plants parts
provides support for the leaves and branches

7. Transport in Plants
Root
absorbs water and dissolved mineral nutrients
anchors the plant in place
stores excess sugars