1) What are body systems? a) The organs system that provides support for the body  b) The organ systems that deliver electro-chemicals throughout the body c) A body system is a group of organs and tissues that work together to do a job for the body, such as circulating blood or digesting food. 2) Why do the many parts of the body interact with each other a) They interact or work together so that the body can perform many different functions such as breathing and moving. Your body would not work if the systems did not work together. b) Your lungs work alone to perform various functions such as breathing and reproducing. c) They work together so that the hands help to move the lung's throughout the body such as breathing and moving. 3) Why is it important to chew your food during digestion? a) When you chew your food, you will be able to buy more.  b) When we chew our food, it helps us physically break down the food into smaller pieces. This makes it easier for it to pass through our digestive system and for the body to extract nutrients from it. c) When you chew, the body will grow. 4) Why is oxygen important for the body? a) When we breathe, we don't have to eat food. b) When we breathe, we get lots of exercises. c) When we breathe, we take oxygen into our lungs. Red blood cells spread the oxygen from our lungs throughout our entire body, where it is used in the production of energy. (That energy powers the body.) 5) How many systems are in the human body? a) There are 100 main systems in the human body. b) There are 11 main systems in the human body, c) There are 12 main systems in the human body, 6) Body system. a) All the systems within a living thing that work together to help it survive. b) The organ that defends the body from diseases. c) Made up of all your muscles, it helps us perform actions. 7) Heart Rate a) The organ system that allows the body to move. b) Made up of the stomach, intestines, and other components. It allows us to break down food and absorb its nutrients. c) The number of times your heart beats each minute. 8) Blood Vessels. a) A structure of thin tubes that carry blood throughout the body. b) The organ system that deliver electro-chemicals throughout the body c) Pumps blood throughout the body,, providing it with oxygen and removing waste. 9) Circulatory System. a) Made up of the stomach, intestines, and other components. It allows us to break down food and absorb its nutrients. b) The organ that pumps blood throughout the body and providing it with oxygen,, and removing waste. c) The organ system that provides support for the body. 10) Respiratory System. a) Its main component is the lungs. It gets oxygen into your blood stream. b) The organ system that provides support for the body. c) Made up of the stomach, intestines, and other components. It allows us to break down food and absorb its nutrients. 11) Muscular System. a) Made up of all your muscles, it helps us perform actions. b) The organ system that moves blood throughout the body. c) The organ system that produces hormones and secretes them into the bloodstreams. 12) Digestive System. a) The organ that defends the body from diseases. b) The organ system that allows the body to move. c) Made up of the stomach, intestines, and other components. It allows us to break down food and absorb its nutrients.

Human Body Systems.

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