Boy systems 1

What is an organ system?

• A group of cells that do a specific job

• A group of organs that do a specific job

• A group of nerve cells that do a specific job

• A group of tissues that do a specific job

Organs are body parts that perform specific

True or False. Organs are made up of tissues

• True

• False

Cells in the body need a steady supply of________to function properly

Air flows into the throat into a hard tube called the

• Trachea

• Sac

• Cell

• Esophagus

The heart is a_______organ that is part of the_________system

• Muscular,respiratory

• Muscular, circulatory

• Muscular,immune

• Muscular digestive

• Muscular, excretory

Arteries branch out into tiny blood vessels called