Answer:
a. 30 cm³
b. 4.33 g/cm³
Explanation:
a Volume of the object = l*w*h
l = 5 cm
w = 2 cm
h = 3 cm
Volume of object = 5*2*3 = 30 cm³
b. Density of the object = mass of the object / its volume
Mass of object = 130 grams
Volume = 30 cm³
Density of the object = 
Muscular system.
physical system is impossible.
systemic system is also impossible.
bones works with muscles to help us move so can only be muscular system.
Some examples would be slate, phyllite, and gneiss.