The Heart Flashcards
1
Q
wat is the human heart
A
it isa muscular structure that has 4 chambers , valves and blood vessels
2
Q
how many beats does a heart beat in a minute
A
72 beats a minute
3
Q
what is the heart beat controlled by and what does it do
A
its controlled by the brain called medulla oblongata
it can increase or slow doen the heart rate acc to the needs of the body
4
Q
name the 4 chambers
A
right atrium
right ventricle
left atrium
left ventricle
5
Q
name the two valves and where they are situated
A
tricuspid valve : between right atrium and right ventricle
bicuspid valve :between left atrium and left ventricle
6
Q
what’s te name of the wall separating the right and left side of the heart
A
septum
7
Q
what is the name of the membrane that encloses and protects the heart
A
pericardium
