7Th Grade Science

_____ is the basic unit of structure and function in all living things

What does the muscular system do?

What does the skin do?

Tiny ______ absorbs the nutrients in the small intestines.

About _____% of human waste is made of bacteria.

the process where living thing keeps its internal state at normal levels .

_____ is a group of similar cells that perform the same function.

A _____ is a small space between two neurons.

What does the excretory system do?

What protects the stomach from the gastric juice?

What does the respiratory system do?

What does the digestive system do?

The _______ arch sends blood to the entire body.

What attaches the muscles to bone?

Where is bile stored?

What does the nervous system do?

How often is the skeleton rebuilt?

____is a structure composed of different kinds of tissue and performs a specific job

Put in order from smallest to largest: organs, organism, cells, organ system, tissue.

Where is bile made?

What is a group of organs that work together to perform a major function called?

What does the Skeletal system do?

______neurons take in sensations and send the information to the brain

Messages pass through the nervous system in the form of-________.

______neurons send instructions to muscle cells to a cause a response.

______neurons in the brain interpret information and decide how to respond.

The stomach produces more than ____ quarts of gastric juice a day.

Name 2 of 3 systems that work together to bring nutrients and oxygen to all of our cells.

The food may take _____ hours to move through the large intestines.

What happens if the heart muscles cramp?

Which organ is responsible for eliminating wastes from the blood/

What part of the brain controls involuntary muscles?