A TEST- Urinary system - passive transport
What does passive transport do?
moves thing across the membranes
What passes freely with passive transport during urine formation?
- Amino acids
- glucose
- salt
- water
What molecules don't pass freely with passive transport during urine formation?
- Large proteins
- RBCs
- WBCs
What does passive transport not require?
energy
What does transport move with?
the gradient of pressure- high to low
Examples of passive transport
Osmosis- water
Diffusion- gases
Facilitated Diffusion- larger molecules