Circulatory System Flashcards
The circulatory system is made up of?
Blood
Blood vessels (arteries, capillaries, veins)
Heart
Arteries
Arteries carry blood away from the heart
Veins
Veins carry blood back towards the heart.
Capillaries
Capillaries are thin vessels that connect arteries to veins.
Heart
The human heart is two pumps. It has four chambers. The two upper chambers are called left atrium and right atrium. The lower two chambers are the left ventricle and the right ventricle.
How does oxygen move around the body?
It moves around the body in red blood cells. Your heart pumps the blood around your body through blood vessels.
Blood is made up of?
Red blood cells and white blood cells.
How does oxygen move around the body?
It moves around the body in red blood cells.
The heart pumps the blood around the body through small tubes called?
Blood vessels
Each drop of blood contains how many blood cells?
300 million
What is Plasma?
In the body, white and red blood cells and platelets are held in plasma and transported with it.
What are Platelets?
Platelets are broken up blood cells. They traps the blood cells to form a clot.
White blood cells?
White blood cells help rid the body of bacteria and viruses by destroying them.
Red blood cells?
Red blood cells carry haemoglobin. Haemoglobin carries oxygen and is what gives blood its colour.
