Human Health and Circulatory System Flashcards
The circulatory system is made up of…
The heart, the lungs, blood and the blood vessels it travels through.
What is the function of the circulatory system?
To transport nutrients, gases and wastes between the cells of the body and organs.
What are white blood cells for?
Fighting disease, as well as assisting in maintaining body temperature.
The heart is a…
Muscle
What are the names of the four chambers in the heart?
The left atrium, the right atrium, the left ventricle, the right ventricle.
What are the 3 types of blood vessel in the body and what are their jobs?
Arteries, Veins, Capillaries
Oxygenated blood is…
Blood that has oxygen in it.
Deoxygenated blood is…
‘used blood’ with little oxygen left in it.
The ________carry _________ blood back to the heart.
Veins
Deoxygenated
What are the job of valves?
Like doors, they stop blood flowing backward.
Why does the heart pump deoxygenated blood to the lungs?
So that it can get rid of its waste (carbon dioxide) and collect oxygen .
Where does the oxygenated blood go after it has left the lungs?
It returns to the heart and enters the left atrium.
The chambers at the top of the heart are called…
the left and right atrium
The chambers at the bottom of the heart are called…
the left and right ventricle
The blood also carries ________ for internal communication and co-ordination.
Hormones
What nutrients make up a healthy diet?
What are the effects of exercise on the heart?
What is the difference between medicinal and non-medicinal drugs?
