THE CIRCULATORY SYSTEM

Basic Science JSS3 Second Term

WEEK TEN

THE CIRCULATORY SYSTEM

Performance Objectives

• Blood Components and Functions.
• The Heart and Blood Vessels.
• The Human Circulatory System  
• Blood Defects and Diseases

Content

REFERENCE

• Basis Science Made Easy for JSS Three by F.I Kehinde et al
• Basis Science Made Easy for JSS Two by F.I Kehinde et al
• STAN Integrated Science for JSS Three
• Precious Seeds Basic Science for JSSThree by J.O Otugboyega et al.

TOPIC: THE CIRCULATORY SYSTEM

Blood Components and Functions

Blood is a liquid connective tissue, which is maintained in constant circulation round the body. In certain organisms, blood flows within a closed system of inter connecting vessels while the reverse holds in other organisms.

The human blood is of…