Using the drawing, which function of the skeletal system does the joint between the humerus and scapula mainly perform?
A. Sending sensory signals in pulses

В. Allowing movement

C. Storing fat cells

D. Excreting waste and fluid

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.