Circularoty System Flashcards
Function of the circulatory system
The circulatory system is responsible for transporting all of these substances around the body
Structure of circulatory system
The heart blood and blood vessels
What do red blood cells do
Responsible for delivering oxygen to other cells in the body
What’s another name for red blood cells
Erythrocytes
What do white blood cells do
They are apart of the immune system that protects you from pathogens
What are the five main types of white blood cells
Neutrophils
Eosinophils
Basophils
Monocytes
Lymphocytes
What does neutrophils do
Can ingest and destroy pathogens such as bacteria and viruses
What does eosinophils do
Can also attack pathogens including larger ones such as parasitic worms
What does basophils do
The least common white blood cells. Takes parts in allergies
What does monocytes do
Clean up dead cells, phagocytosis of pathogens and identifying invaders to lymphocytes
What does a lymphocytes do
Adaptive immune system, responsible for creating antibodies for specific foreign bodies
What are platelets
Platelets are responsible for the formation of blood clots.
Function of plasma
Transports nutrients, waste products, water, enzymes and hormones around the body
Function of blood vessels
Blood is transported around the body In blood vessels
Arteries
Artistes take blood away from the heart.
What does pulmonary artery do
Takes deoxygenated blood from the heart to the lungs
Structure of arteries
Arteries have thick muscular elastic walls
Veins
Carry blood towards the heart
What do veins do
Carries blood towards the heart
Structure of veins
Have a thin wall, less muscular, elastic walls.
Capillaries
A network of tiny blood vessels that sit between the arties and the vein
What do capillaries do
Allow oxygen and waste products to be transferred to and from blood in order to reach the surrounding tissue and organs
State the names of the following components of the heart
Right atrium
Vena cava
Left atrium
Bundle of his fibres
Purkinje
Differences between artery and vein
Artery takes blood away
Vein takes blood to the heart
What is the role of the bundle of his
Electrical impulses that travel through the heart
Pulmonary vein
Takes oxygenated blood from the lungs to the heart
Cardiac cycle
The movement of blood through different chambers of the heart and whole body
