it's called, your face.
They are called Alveoli.
Pleura
No, pericarditis is inflammation of the sac surrounding the heart. Pneumonitis is inflammation of the lungs.
this is called the placenta
They are called alveoli.
The pericardium is the sac-like membrane surrounding the heart in the fetal pig, as well as in humans.
amniotic sac
Alveoli also known as air sacs.
The term for puncturing the heart is cardiocentesis.
The capillaries are the small blood vessels that surround each alveolus, or air sac.
The pericardium is the sac surrounding the frog's heart.
Amniotic sac