heart structure

Question 1

how many chambers does the heart have

Answer 1

4

Question 2

what are the 4 chambers

Answer 2

right atrium, right ventricle, left atrium and left ventricle

Question 3

the heart is pumped made of cardiac muscle which is myogenic what is the example

Answer 3

it will beat without any nervous stimulation (on its own). these muscle cells are able to depolarize

Question 4

what seperates the left and right ventricle

Answer 4

muscular wall called a septum

Question 5

wht is the name of the upper chamber

Answer 5

atrium

Question 6

what is the name of the lower chamber

Answer 6

ventricle

Question 7

where does deoxygenated blood return from in the body (1.)

Answer 7

returns from the body in the vena cava (vein) and enters the right atrium

Question 8

the blood then passes, (2.)

Answer 8

via atrio-ventricular valve (tricuspid valve) into the right ventricle and out, via semi-lunar valve, into the pulmonary artery

Question 9

the blood now passes (3.)

Answer 9

passes through the lungs and return to the left atrium via the pulmonary vein

Question 10

the blood passes through a second atrio-ventricular valve (biscuspid valve) (4.)

Answer 10

into the left ventricle and then through the semi-lunar valve into the aorta and then onto the body tissue