Answers
The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart.
Digestive System gets nutrients (good) from food and hands it over to the blood and Circulatory System then carries those nutrients where they need to go.
The excretory system removes waste from the body. remove waste from the blood. The digestive system breaks down the food you eat into nutrients that provide energy and building materials for cells. The digestive and excretory sytems work together to process the food that you eat.
It is were the waste in your body comes out eg. urine, snot and sweat.
One way that bacteria and archaea is in the structure of the cell membranes.
Breaking down molecules all ways requires energy because the atoms are held together by the interactions of electrons in their valence shells. Separating them therefore makes them less stable.
the conservation of matter is when matter cannot be created or destroyed.
