Human Body, 5th gr. Ch.3, L1

The nervous system includes the following:

Which is the smallest unit of life?

The skeletal system is composed of

A group of similar cells is a

What is the function of the skeletal system?

The muscular system is made up of

What protects and covers all your bones, cells, head...everything?

This system is responsible for protecting the body by fighting against disease and illness:

What is the function of the digestive system?

Which system breaks down the food into nutrients?

Which system moves waste materials out of the body?

Which is the correct order of the levels of organization?