COMPARISON OF CARDIOVASCULAR SYSTEM AND LYMPHATIC SYSTEM

Form 5 Chapter 1:

COMPARISON OF CARDIOVASCULAR SYSTEM AND LYMPHATIC SYSTEM

Blood

1. Red in colour
2. Damage to blood vessels causes obvious signs such as bleeding
3. Blood vessels damage produces swelling, containing low protein fluid.

Lymph

1. Colourless
2. Damage to the lymphatic system is difficult to detect until swelling occurs.
3. Lymphatic vessel damage produces swelling, containing protein rich fluid.

Cardiovascular System

1. A closed system
2. Forms a continuous circuit throughout the body
3. It contains of heart, arteries, veins and capillaries.

Lymphatic System

1. An open system
2. No heart
3. Not found in tissues of central nervous system, cartilage, bone, bone marrow, placenta, cornea and teeth.
4. Consists of lymphatic vessels, lymphatic capillaries and lymphatic organs.
5. This structures set up enables lymph which originates from blood to be drained back into the blood circulatory system.
6. Lymph vessels have a lot of valves
7. The lymph vessels are thinner than veins
8. The LV. Contain lymph nodes located at intervals.

Artery

1. 3-layered
2. Consists of epithelial tissues, the smooth muscles and connective tissues.

Vein

1. 3-layered
2. Less elastic than arteries
3. Have valves
   
   

Filtration

1. Blood is filtered by kidneys.
2. The kidney removes waste products such as urea and excess fluids.
3. Filtered fluids are returned to cardiovascular system
4. However, the kidneys do not filter debris, toxins and pathogens

1. On the other hand, lymph is filtered by lymph nodes.
2. These lymph nodes remove some fluid and debris, toxins and pathogens
3. Pathogens and some cancer cells are killed in lymph nodes by macrophages and lymphocytes

Medium

Cardiovascular System

1. Medium of transport is blood
2. Flows in a continuous closed circuit
3. The blood reaches the cells through the arteries
4. Collects and distributes oxygen, nutrients, waste products and hormones.
5. Consists of liquid plasma

Lymphatic System

1. Medium of transport is lymph
2. The lymph is moved passively
3. Flows in only one direction. 1D...
4. Drainage medium
5. Collects and removes waste products left behind in the tissues.

Pressure

Blood

1. Blood in the arteries is propelled by blood pressure
2. BP is generated by pumping of the heart
3. The blood flows in the vein with the help of muscle movement and valves.

Lymph

1. Not pumped
2. Passively flows from the tissues into the lymph capillaries
3. The lymph flows in the vessels is aided by body movement such as deep breathing, action of skeletal muscles and blood vessels.
4. This characteristic enables excessive materials and wastes to be diffused into the lymphatic vessels effectively