Is a human body a simple machine

no it's not a simple machine.

Explanation:

Simple machines are any basic mechanical devices for applying force. The Inclined plane in the human body is the foot. ... Examples of simple machines: A pulley In the human body when the tendon of a skeletal muscle slides over a round, bony surface, the "system" acts like a simple pulley.

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles