The bronchi are where air passes from the trachea.
Hollow bones are always a disadvantage because it means that they are less sturdy and easier for predators to break.
It keeps the temperature on Earth - moderate
Earth would overheat if the sea wasn't able to retain large amounts of heat
When the two atoms are split
Answer:
The correct answer is - higher than
Explanation:
In the lumen of the proximal tubule of the kidney, most of the solutes are absorbed in the form of sodium. There is a gradient of sodium ions which allows the absorption of the solutes from the lumen into the cell.
It is due to the solute or Na concentration is higher in the lumen than Na concentration inside the cells of the tubule wall. So movement of the solutes is due to the concentration gradient.
