Human body systems

Which system tells you what is going on in the world around you?

How are living things organized? From smallest to largest.

Needed substance are carried to all the body cells by

What is a neuron?

Which parts of the respiratory system is also part of the digestive system?

How do pairs of skeletal muscles work together?

The spaces in the bones are filled with a soft tissue called

What is the function of a valve?

The function of the atrium is to

Which part of the respiratory system moves up/down causing air to move in and out of the lung?

Which parts of the respiratory system divide into smaller and smaller tubes?

Which system moves blood through the body?

Which system helps you breathe?

How many chambers does the heart have?

Which system moves your bones?

The thick column of nerve tissue that links the brain to most of the nerves in the body is

Which blood vessels carry blood toward the heart and contain valves?

Where does digestion begin?

When you sweat your skin is trying to

Which blood vessels exchange oxygen and carbon dioxide?

What does Red bone marrow make?

When the ventricles contract, blood is pumped

Keeping harmful substances out of the body is a function of the skin.

What do we call the tub-shaped organs through which most nutrients and water are absorbed?

A place where two bones come together is called

Which system provides shape and support?

Each alveoli (air sac) is surrounded by a network of

Which blood vessels carry blood away from the heart?

Which system breaks down food into very small parts that the body can use?

What are joints are held together by

A complex living structure that grows,develops,and repairs it self

Which part of your respiratory system does air move through to vibrate your vocal cords?

What tube carries food to the stomach?

Which type of muscle is found only in the heart?