Body Systems Year 8

The smallest unit that is a building block for all life.

• tissue
• organelle
• cell
• molecule

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

In multicellular organisms, tissues are comprised of _______.

• organs
• systems
• cells
• blood

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

When tissues come together, they form ___________.

• cells
• atoms
• organs
• systems

Tags

NGSS.MS-LS1-3

Which of the following shows the levels of organization of an organism from LEAST to MOST complex.

• cells-tissues-systems-organs
• organs-cells-systems-tissues
• systems-organs-tissues-cells
• cells-tissues-organs-systems

Tags

NGSS.MS-LS1-3

What body system breaks down food for energy?

• Urinary System
• Digestive System
• Lymphatic System
• Respiratory
  Respiratory System

Where does mechanical digestion begin?

• stomach
• esophagus
• pancreas
• mouth

What is the main function of the stomach?

• to hold food
• to mix food with digestive juices
• to absorb food into the blood stream
• to hold waste materials

How does the digestive system work with all other systems?

• The digestvie system transports blood to all the other systems
• The digestive system puts oxygen into the body
• The digestive system gives the body energy and nutrients
• The digestive system allows the body to move

Tags

NGSS.MS-LS1-7

Which body system gets oxygen from the environment and removes carbon dioxide and other wastes from the body?

• Circulatory
• Respiratory
• Digestive
• Skeletal

This muscle contracts and moves down to allow the lungs to expand during respiration.

• trachea
• bronchial tubes
• diaphragm
• epiglottis