The circulatory system comprises the heart, blood vessels, and blood, and allows blood to circulate nutrients, oxygen, hormones, and other materials to all body tissues, while transporting wastes away. It has two loops - pulmonary circulation which oxygenates blood in the lungs, and systemic circulation which provides oxygenated blood to the rest of the body. The lymphatic system is part of the circulatory system and circulates lymph fluid filtered from tissues back into the blood. Diseases can affect both the cardiovascular and lymphatic systems.

1. Circulatory System
Dr. Pooja Walia
Assistant Professor
Dept. of Education
MIzoram University

2. Outline of the Presentation
• What is Circulatory System?
• Composition of Blood
• Components of Circulatory System
• What is Lymphatic System?
• Types of Cardiovascular System
• Functions of Circulatory System
• Disease related to Circulatory System

3. The Circulatory System
The cardiovascular (from Latin words
meaning "heart" and "vessel") system
comprises the blood, heart, and blood
vessels.The circulatory system, also called
the cardiovascular system or the vascular
system, is an organ system that permits
blood to circulate and transport nutrients
(such as amino acids and electrolytes),
oxygen, carbon dioxide, hormones, and
blood cells to and from the cells in the body.

4. Diagrammatical presentation of
Circulatory system

5. Composition of Blood
Blood is a fluid consisting of plasma, red
blood cells, white blood cells, and platelets
that is circulated by the heart through the
vertebrate vascular system, carrying
oxygen and nutrients to and waste
materials away from all body tissues.

6. Components of Circulatory System
The circulatory system of the blood is seen
as having two components:
•Pulmonary circulation
•Systemic circulation
Pulmonary circulation is a "loop" where
blood is oxygenated through the lungs; and
the systemic circulation is , a "loop" where
oxygenated blood is provided to rest of the
body.

7. Lymphatic System
The circulatory system includes the lymphatic
system, which circulates lymph.
•The lymph, lymph nodes, and lymph vessels
form the lymphatic system, which returns
filtered blood plasma from the interstitial fluid
(between cells) as lymph.
•Lymph is essentially recycled excess blood
plasma after it has been filtered from the
interstitial fluid (between cells) and returned to
the lymphatic system. The passage of lymph
takes much longer time than that of blood.

8. Types of Cardiovascular System
Humans, as well as other vertebrates, have
a closed cardiovascular system (meaning
that the blood never leaves the network of
arteries, veins and capillaries).
Some invertebrate groups have an open
cardiovascular system.
The lymphatic system, on the other hand, is
an open system providing an accessory
route for excess interstitial fluid to be
returned to the blood.

9. Functions of Circulatory System
• Provide nourishment to whole body
• Help in fighting diseases
• Stabilize temperature & PH
• Maintain homeostasis

10. Disease related to Circulatory System
Many diseases affect the circulatory system.
This includes cardiovascular disease and
lymphatic disease.
Cardiologists are medical professionals which
specialise in the heart, and cardiothoracic
surgeons specialise in operating on the heart
and its surrounding areas.
Vascular surgeons focus on other parts of the
circulatory system.

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