If the diaphragm contracts, the size of the chest ................., and ................ enters the lungs

The organ that absorbs most of water from the undigested food is ..............

..................... and .................... can't pass through kidneys' nephrons

...................... transports the nutrients, gases, and hormones to all body cells

If the heartbeats increase , the blood pressure ........................

If you face a dangerous situation, the breathing rate .........................

The digestion process starts in ...............................

The endocrine system consists of ................... that secrete ....................

The ................. allow the movement of the bones of the skeletal system

When your heartbeats and breathing rate increase, your body sends more ..................... blood to the muscles, brain, and other organs to face the danger