Students explore several parts of the body system in the eight lessons of this unit. Through several hands-on activities, the skeletal, muscular, digestive, circulatory and nervous systems are observed.

[Free Registration/Login may be required to access all resource tools.] Did you know that blood is a tissue? Blood is a fluid connective tissue that is made up of red blood cells, white blood cells, platelets, and plasma. Learn more...

[Free Registration/Login may be required to access all resource tools.] Defines and describes red blood cells and white blood cells, and describes the roles of platelets.

Find out about the characteristics and components of blood with informational text, diagrams, examples, and review questuons.

[Free Registration/Login may be required to access all resource tools.] Problems can occur with red blood cells, white blood cells, platelets, and other parts of the blood. Many blood disorders are genetic, meaning they are inherited...

The circulatory system transports substances between the exchange surface and cells. It delivers oxygen and glucose to the tissues for respiration, which is the release of energy to cells.

This lesson focuses on blood including it's functions including transporting materials around the body and protecting against disease. It explains the components of blood and the functions of each and offers a link to an assessment.