Which of the following demonstrates an organ providing a force? A. The eye transmits information to the brain.

B. The heart contracts and expands to move blood.

C. The kidney filters waste from blood.

D. The skin protects other organs from damage.

Which statement correctly describes the interaction between magnetic poles? north and south poles attract each other. north and south poles repel each other. two north poles will attract each other. two south poles will attract each other.

Provides most of the energy used in the world today. question 4 options: wind fossil fuel moving water sunlight

Neurons are components of the nervous system of the body that transmit signals as electrical impulses travel along their length. these impulses propagate when charge suddenly rushes into and then out of a part of the neutron called an axon. measurements have shown that, during the inflow part of this cycle approximately 5.6x10^11 na per meter, each with a charge of e enter the axon. how many coulombs of charge enter a 1.10 cm length of axon during this process