(a) What is the lymphatic system? What are its functions? (b) What is blood pressure? What are the two factors used to express the blood pressure of a person? (c) Name the main nitrogenous waste in the human blood. How is it removed from the blood?

(a) What is the lymphatic system? What are its functions? (b) What is

1.	(a) What is the lymphatic system? What are its functions? (b) What is blood pressure? What are the two factors used to express the blood pressure of a person? (c) Name the main nitrogenous waste in the human blood. How is it removed from the blood?
Answer» (a) What is the lymphatic system? What are its functions? (b) What is blood pressure? What are the two factors used to express the blood pressure of a person? (c) Name the main nitrogenous waste in the human blood. How is it removed from the blood?