A transport vessel for water consisting of deal cells and lignin.
What are xylem?
White blood cells.
Which component of blood is part of the immune system?
They increase the surface area of the small intestine lining.
What are villi for?
They open and close to control water loss from the leaf.
What are stomata?
What do guard cells do?
It provides the heart muscle with oxygen and nutrients.
What is the coronary artery for?
It absorbs fatty acids and glycerol from food.
What is the lacteal for?
Phloem.
What vessel does a plant use to transport sugar?
What vessel in a plant consists of companion cells alongside sieve tubes and plates?
When it combines with oxygen.
How does haemoglobin become oxyhaemoglobin?
These are 3 main features of absorption surfaces.
What is the link between thin walls, large surface area, and extensive blood supply?
Mesophyll cells.
Where in the leaf are most of the chloroplasts?
Where in the leaf does most photosynthesis occur?
The have a wide central channel, thin muscular layer, and the presence of valves.
What makes veins different from arteries?
Capillary networks.
Which blood vessel passes oxygen and nutrients to body tissues?
The distance the bubble moves over time.
How does a potometer show the rate of transpiration?
Pulmonary vein.
Which blood vessel carries oxygenated blood from the lungs to the heart?
Gas exchange.
What do we call the exchange of oxygen and carbon dioxide at the alveoli between the air and the blood?