Cell Organisation
An organism that consists of many cells is called a...
Multicellular Organism
Cells that control both the exchange of gases and the loss of water in plant leaves
Guard Cells
Tiny air sacs in the lungs where gas exchange occurs
Alveoli
Name the 2 types of plant vascular systems
The two types of systems for transport in animals
Open and Closed
Name the process by which a stem cell becomes a specialised cell.
Differentiation
Increased ________ of roots allows for more efficient absorption of water and minerals
Surface Area
Body surfaces that are in contact with the external environment and have become specialised for gas exchange
Respiratory Surfaces
Phloem moves sugars from _____ to ______
Source, Sink
Lumen
Name 2 different types of animal tissue
Nerve
Epithelial
Connective
Muscle
The process of water being lost through plant leaves is called:
Transpiration
Movement of gases in the lungs is by diffusion along a ____________________ from high to low
Concentration Gradient
Phloem/Sugars
What is blood mostly composed of?
Plasma
The type of plant tissue that is responsible for the transport of substances around the plant, they are found in the roots, stems and leaves
Vascular Tissue
The name both of the cells responsible for most of the plants photosynthesis
Spongy Cells
Palisade Cells
Skin
The continuous flow of water and minerals from a plant's roots up to its leaves through the xylem
Transpiration Stream
The transport fluid used by insects
Haemolymph
The volvox is an example of a...
Colonial Organism
Pores through which gaseous exchange occurs in the woody parts of plants such as the trunks and branches of trees
Lenticels
Small external openings or pores found on the bodies of insects that lead directly to their respiratory systems
Spiracles
The two theories as to how sugars are loaded into phloem at the source in pressure flow theory
Symplastic and Apoplastic
Name 2 things in blood which the kidneys either regulate or remove.
Urea
Water
Salts