Activity Name - Science4Inquiry
Body System Statements
|Oxygen is inhaled and is|Blood carries digested |Oxygen in inhaled and |Oxygen is passed through|The brain monitors |Nutrients diffuse |The brain stem controls |
|then distributed |nutrients to body cells |helps provide energy to |to the fetus |respiratory volume and |through the placenta and|heart rate |
|throughout the | |the stomach muscles for | |gas levels |are carried to the | |
|bloodstream | |digestion | | |embryo through blood | |
| | | | | |vessels in the umbilical| |
| | | | | |cord | |
|Chemical signals are |Oxygen is delivered to |Carbon dioxide is |Nutrients absorbed from |The medulla located |Vitamins found in food |Calcium that we ingest |
|carried through the body|muscles to aid in |released from the body |food are essential in |inside the brain stem |are essential to the |can be used to |
|to help the speed of |digestion | |meeting the |controls involuntary |developing fetus |strengthen bones. |
|digestion | | |developmental needs of |muscle movement which | | |
| | | |the embryo |aids in the breakdown of| | |
| | | | |food | | |
|The bloodstream carries |Oxygen is provided to |Cellular waste from food|The diaphragm allows |The brain controls |Waste products from a |The kidneys clean the |
|oxygen to the |the sex organs to keep |and liquid consumption |involuntary breathing to|mating behavior |developing fetus are |blood and control the |
|reproductive organs |the tissues healthy |are removed from the |occur | |eliminated by the mother|amount of salt, water, |
| | |body | | | |and other substances in |
| | | | | | |the blood |
|The brain controls |The brain regulates the |The digestive system |Hormones effect brain |Oxygen is carried to the|The brain controls |The brain regulates the |
|circulation |respiratory rate |sends signals to the |development |muscles |urination |position of bones by |
| | |brain when the stomach | | | |controlling muscles |
| | |is full | | | | |
|The heart pumps blood to|Lungs are used to remove|Work together after |Waste products are |The bladder sends |The pelvis protects a |Carbon dioxide is |
|the kidneys |waste gases |eating remove waste from|absorbed from the fetus |sensory information to |developing fetus from |removed from bone marrow|
| | |the body |to the mother and are |the brain |injury | |
| | | |excreted in urine | | | |
|Blood is pumped through |The ribcage protects the|Involuntary muscles help|Supports reproductive |The skull protects the |Waste produced in muscle|Oxygen is delivered to |
|the heart |lungs |move food through the |organs and are active |brain from injury |cells is removed from |the cells in the body |
| | |digestive track |during childbirth | |the body | |
Body System Placemat
| |
| |Circulatory|Respiratory |Digestive |
|Balancing on one foot |1 min | | |
|Run in place |1 min | | |
|Initial heart rate _______ BPM | | | |
|Final heart rate ________ BPM | | | |
|Task |Time |Observations (what did you experience) |Notes from class discussion |
|Balancing on one foot |1 min | | |
|Run in place |1 min | | |
|Initial heart rate _______ BPM | | | |
|Final heart rate ________ BPM | | | |
Homeostasis Quiz
1. You and your classmate are discussing different organs and organ systems within the human body. Your friend states that the excretory system includes multiple organs, and one of those organs is the lungs. You argue that the lungs can’t possibly be in the excretory system since it is part of the respiratory system. Which of the following choices would be the best statement that your friend would use to justify why the lungs help keep homeostasis for the excretory system? (SC.6.L.14.5)
a. The lungs bring in oxygen, which is a vital gas to keep our cells alive and healthy.
b. The lungs exhale carbon dioxide, which is a waste gas and needs to be removed from the body.
c. The lungs provide cells with a gas that is important for the cell process of respiration.
d. The lungs remove waste in the forms of solids, liquids, and gases that could be harmful for the body.
2. How do your respiratory and circulatory systems attempt to maintain homeostasis during exercise? (SC.6.L.14.5)
a. Your body produces more red blood cells to help provide energy to cells.
b. Your lungs produce more oxygen which is then delivered to the cells through the blood.
c. You experience an increase in blood flow which provides nutrients to cells to increase energy and remove wastes.
d. You experience an increase in breathing rate to obtain more oxygen which is delivered to cells through the blood stream.
3. Food gives the body energy, which helps the body maintain homeostasis. In the morning, an athlete eats a nutritious breakfast to get energy to exercise. What are the main organ systems involved in the process of food from the athlete’s breakfast being broken down into nutrients and then delivered to the cells? (SC.6.L.14.5)
a. Digestive and excretory systems.
b. Digestive and circulatory systems.
c. Nervous and excretory systems.
d. Respiratory and circulatory systems.
4. The skin helps regulate body temperature by perspiration, which allows excess heat to leave the body. If you lost the ability to sweat, what could happen to you if you were running a marathon? (SC.6.L.14.5)
a. The body would overheat.
b. The body would react slowly.
c. The body would start to shiver.
d. The body would need more energy.
5. In order to maintain homeostasis, the systems of the human body work together to keep a constant internal temperature. Which of the following best describes how the human body responds in a cold environment? (SC.6.L.14.5)
a. The digestive system produces more hormones to warm the body.
b. The nervous system signals the muscles of the muscular system to contract and warm the body.
c. The circulatory system delivers less carbon dioxide to the muscular system, resulting in stiffening of the muscles.
d. The skeletal system produces more blood cells that circulate through the blood vessels, increasing the warmth of the body.
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