Flashcard practice #1
What are root hairs?
Specialized cells on the outer surface of a root which absorb water and mineral ions from the soil
What are xylem vessels?
long hollow tubes through which water moves in a plant; made up of dead cells joined together.
What are xylem vessels?
long hollow tubes through which water moves in a plant; made up of dead cells joined together.
What is a tree’s trunk made up of?
Xylem vessles
How big are Xylem vessels
0.05mm
What is transpiration?
loss of water vapours
What is wilted?
Collapsed
Why do plants need water?
-support
-cooling-
transport
-photosynthesis
Why do plants need water?
-support
-cooling-
transport
-photosynthesis
What is excretion?
Getting rid of waste materials
What is Urea?
a waste substance made in the liver cells
What are kidneys?
Organ that filters blood
What is an excretory system
he system which includes kidneys, bladder, ureter and urethra.
What is urine?
A mixture made of Urea and water
What is a bladder?
An organ which holds the urine
