Biology 2011 JAMB Past Questions - Question 16: In mammals, the exchange of nutrients and metabolic products occurs in the

Correct Answer

B

Explanation

Lymph is colourless blood that diffuses out of the blood capillaries and flows into the lymphatic vessels, ft contains plasma with large water content, small amount of dissolved nutrients like digest food (glucose, amino acids),oxygen, urea, secretes like hormones. Nutrients such as glucose and amino acid diffuse out of the lymph and enter into and the cells of the body. Oxygen also diffuses of lymph and-enters into the cells while carbon IV oxide and urea diffuse out of the cells and enter into the lymph and is carried in the vessels.