Unit 8- The Structure of Living Things

Which two systems work together to make your body move?

• circulatory and nervous

• nervous and muscular

• skeletal and muscular

• respiratory and excretory

The _____________ is part of the digestive system.

• muscles
• lungs
• mouth
• heart

Skeletal muscles move ________.

• oxygen
• food
• blood
• bones

You cannot control your heart muscle.

• True
• False

Tags

NGSS.HS-LS1-3

Mouth, nose, trachea, bronchi, and lungs make up your ____________ system.

• muscular
• digestive
• nervous
• respiratory

Which organ is not in your nervous system?

• brain
• heart
• nerves
• spinal cord

What is a group of organs that work together?

• Cell 
• Tissue
• Organ Group
• Organ System

What do nerve cells do?

• receive and transmit signals
• carry gasses (such as oxygen)
• provide protection
• contract and relax

Tags

NGSS.MS-LS1-3

This is the largest organ in the body.  It protects it from infections.

• lungs
• heart
• skin
• brain

This organ pumps blood through the body.

• skin
• heart
• lungs
• brain