the diaphragm.
The diaphragm and the transverse arytenoid. Yes, the diaphragm IS an unpaired muscle.
In the element bromine (Br), there is only 1 unpaired electron. It has 7 valence electrons, so 3 pairs, plus an unpaired electron.
There is 1 unpaired electron in Copper (Cu)
They are magnetic only if they have unpaired electrons.
Tracgea
lungs
Respiratory airways
In group 3A elements, or elements in group 13, have only one unpaired electrons.
Inspiration is due to the contraction of the diaphragm and external intercostal muscles.
The anatomical features of the respiratory system include airways (nose,pharynx,larynx, trachea, bronchus), lungs, and the respiratory muscles (sternocleidomastoid, platysma, scalene muscle of the neck, external intercostal muscle and diaphragm)
The cardiac muscle is the heart. The heart is in the cardiovascular system, despite that the tissue makes a muscle.
diaphragm