<span>Sodium atom has 11 electrons
The Na+ ion has a + charge because the atom has lost 1 electron
Therefore number of electrons = 10</span>
Ans.
Inner lining of urinary bladder is covered with transitional epithelial tissue, which provides protection to the tissues beneath this layer from alkaline or acidic urine.
Along with protection, epithelial tissue also has ability to stretch significantly. This property of epithelial tissue helps the bladder to accommodate large amount of urine.
Thus, the 'first option' is the correct answer.
Temperature affects the plants because if its too cold a plant would not grow.
C a dog pants after running in the park