Cardiovascular System

Heart- Hollow muscular organ providing the force for flow of blood 

thoroughout human body

Blood Vessels

Arteries- Carry blood away from heart to other body parts, very muscular and elastic

Capillaries- Microscopic blood vessels where exchange of nutrients with tissues take place

Veins- Carry blood towards the heart from other body parts, their walls are thinner as 

compared to corresponding arteries.

Blood-Special type of body tissue that is in fluid form, consists of the following components; 

• Plasma (Blood cells) • White Blood Cells • Red Blood Cells

• Platelets • Functions

Provide nutrients to body parts, Remove excretory Products from body parts, Protects body 

against infection, Distribution of heat.