Which of the following statements are false: Some veins have valves that aid in the one-way propagation of blood. Some veins depend on the activity of skeletal muscles to conduct blood. The endothelial lining of veins is smooth. Veins always conduct blood towards the heart. Veins only conduct oxygen poor blood.

i think its c. amphipod

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.