circulatory system Flashcards
1
Q
organs in cs (3)
A
- heart
- blood vessels
- blood
2
Q
gases transported in circulatory system (2.2)
A
- oxygen (transported to cells)
- carbon dioxide (transported away from cells)
3
Q
types of blood (2)
A
- oxygen-rich
- oxygen-poor
4
Q
sides of heart (2)
A
right side (oxygen poor) left side (oxygen rich) [labelled as if heart is facing you, diagram is opposite]
5
Q
route of blood travel (4)
A
- oxygen rich from heart to cells
- oxygen poor from cells pick up Co2 then to heart
- heart to lungs to pick up oxygen
- oxygen rich to heart from lungs
6
Q
heart ingredients (2)
A
- muscle
- blood vessel
7
Q
sections of heart (4)
A
right ventricle l left ventricle
8
Q
atria function (1)
A
where blood enters heart
9
Q
ventricles function (1)
A
where blood exits heart
10
Q
valves function (1)
A
stop blood flowing the wrong direction
11
Q
how heart pumps blood (2)
A
[is as hard as squeeze tennis ball]
squeezing and contraction of muscle
