6. Which of the following organs filters excess solutes from the blood?
Answer: B
The kidney filters excess solutes from the blood.
The kidney is responsible for filtering excess solutes, waste products, and toxins from the blood, maintaining the body's fluid and electrolyte balance.
A) Stomach
The stomach is primarily involved in the digestion of food and the breakdown of nutrients. It does not play a role in filtering blood or removing excess solutes, making this option incorrect.
B) Kidney
The kidney is the organ that filters excess solutes, waste products, and fluids from the bloodstream, which is essential for regulating the body's internal environment. This function is critical for maintaining homeostasis, confirming that this option is correct.
C) Gallbladder
The gallbladder stores and concentrates bile produced by the liver, aiding in the digestion of fats. It does not filter blood or remove solutes, making this option incorrect.
D) Spleen
The spleen is involved in filtering blood, but its primary role is to recycle iron from hemoglobin and assist in immune functions. It does not specifically filter excess solutes from the blood, thus making this option incorrect.
Conclusion
The kidney is unequivocally the organ responsible for filtering excess solutes from the blood, a vital function for maintaining the body's balance. The other options, while they have important roles in digestion and immune function, do not perform the specific task of filtering solutes, confirming that they are not correct in this context.