Which statement describes an example of the integumentary system and immune system working together? Blood pressure lowers to prevent loss of heat.
Hair on the skin helps keep the body warm.
White blood cells kill pathogens when the skin becomes infected.
Sensory nerves detect pain when the skin is pinched.

Who established the peoples republic of china in 1949

How does federalism limit the power of government in the united states? a. it requires the national government to share power with state governments. b. it ensures that one state cannot make laws that affect all the other states. c. it requires the three branches of the national government to share powers. d. it allows the judicial branch to rule on laws that affect the entire country.

Abrief, "first-step" presentation of a work to be completed is called a