Respiration, Circulation, and Digestion Crossword Puzzle

QUESTIONS LIST:

• survive : to continue on living.
• exhale : to breath out carbon dioxide.
• inhale : to breath in oxygen.
• blood pressure : the pressure of blood against your blood vessels.
• carbon dioxide : the molecule that we breath out.
• oxygen : the part of the air that we breath in.
• pulse : the name for the heart beat that you can feel in your blood vessels.
• chew : the action of grinding your teeth together to break down food.
• mechanical digestion : using your teeth, tongue, or intestines to physically breakdown food.
• chemical digestion : using your saliva, stomach acid, and other digestive enzymes to break down food.
• absorb : to take something in through pores, a membrane, or interstices.
• muscle contraction : the opposite of muscle relaxation.
• breakdown : the process of reducing a complex material or substance into something smaller.
• digest : the process of breaking down food and absorbing nutrients.
• tube : a long hollow cylinder, such as an esophagus.
• homeostasis : a stable condition that your body tries to maintain.
• gas exchange : the process by which we trade carbon dioxide for oxygen.
• capillaries : the smallest type of blood vessels.