trapezius
Trapezius
shoulder
The muscles that mainly pull arms backward are the triceps. These are muscles that are found on the back of the upper arm.
Rhomboid Major
The diaphragm is the main muscle used when breathing in. During the diaphragmic contraction, the diaphragm pushes downward and pulls on the pleural cavity which allows air to flow into the lungs.
yes
It is the earth's gravity.
When there is that force that pulls downward. Example, when you climb a mountain. You will fell that there is that gravity pulling downward.
it hurts
Gravity pulls the water down more than it pulls the boat down.
It pulls the soil downward.
Inhalation
Inhalation