A person with swollen gums rinses his mouth with lukewarm salt water and the swelling of his gums decreases. This is because
A. the swollen gums absorb the salt water solution
B. the salt water solution lowers the temperature of the water in the gums
C. the salt in the solution moves against the concentration gradient
D. the water in the gums moves out due to the high concentration of salt in the solution
Answer:B
A person with swollen gums rinses his mouth with lukewarm salt water and the swelling of his gums decreases. This is because
A. the swollen gums absorb the salt water solution B. the salt water solution lowers the temperature of the water in the gums C. the salt in the solution moves against the concentration gradient D. the water in the gums moves out due to the high concentration of salt in the solution