Nutrients cross the membrane wall with the help of protein channels.
Sodium
Hope this helped you out :)
Is there a picture to go with this?
Lit is located between the
left ventricle and left atrium.Left atrium is known to be one of the four chambers of heart
that receives oxygenated blood from the right and left pulmonary veins. This blood
is pumps to the left ventricle through the mitral valve. However, left
ventricle is responsible for pushing oxygenated blood through the aorta to the rest
of the body.