Card 1 of 15
Why is a mass transport system required in large mammals?
A
- Diffusion distance is too long to meet metabolic demand
- Simple diffusion is too slow to reach all cells
B
- Diffusion distance is too short to maintain concentration gradients
- Simple diffusion is too fast to supply all cells
C
- Surface area is too large to meet metabolic demand
- Active transport is too slow to reach all cells
D
- Osmotic pressure is too low to support cell respiration
- Simple diffusion is too rapid to reach all cells
Card 1 of 15
Heart, blood vessels and cardiac cycle Flashcards
15 flashcards on Edexcel A A Level Biology Heart, blood vessels and cardiac cycle: the key terms, definitions and processes you need to recall for Paper 1, Paper 2 and Paper 3.