Question

Answer the following: (a) Arteries have thick walls while veins have valves. Explain (b) Leakage of blood from vessels reduces the efficiency of pumping system. How is the leakage prevented? (c) “Lymph is another type of fluid involved in transportation”. Justify the statement by explaining t

Answer 1

Answer:

Arteries have thick wall as they carry blood from heart to body with high pressure while the veins have valves to prevent the back flow of blood.

Leakage can be prevented by having a complete balanced diet.

Lymph is a fluid that transport proteins and mineral to other parts of the body just like blood.

Answer 2

hey their is your answer