The nervous system is the most important body system and the heart is the most important muscle
<span>True, the hinge joint allows for a wide range of movement however not as much as a ball and socket hinge. Hope I helped.</span>
Protein helps build muscle and provide energy
Answer:
Area
square centimeter
Diagonal
centimeter
Explanation:
Area of the rhombus is equal to the product of its side and altitude
Thus,
Area of the rhombus
square centimeter
Area of the rhombus is equal to half the product value of two diagonal
square centimeter 
cm
It is A. sleeping deeply.
Delta waves, like other brain waves, are recorded with an electroencephalogram (EEG) and are usually associated with the deep stage 3 of NREM sleep, also known as slow-wave sleep (SWS), and aid in characterizing the depth of sleep.