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Name _____________________________________ Class __________________________ Date ____________ How Organ Systems Work Together Place the cutouts of organ functions on the chart indicating the two systems they are associated with to show how the systems of the body are interconnected. Circulatory Digestive Nervous Skeletal Endocrine Reproduction Respiratory Muscular Circulatory Respiratory Muscular Integumentary Immune Urinary/ Excretory Muscular X Respiratory X Nutrients diffuse into the developing fetus Muscles churn the through blood vessels in stomach to aid in the umbilical cord digestion. The rib cage expands to help move air into the lungs. Muscle contractions in Breathing rate increases the uterus push the fetus during exercise to help out during labor. meet the increased oxygen demand by skeletal muscles. Platelets in the blood help to close small cuts in the skin. Oxygen moves from lungs to the blood, and carbon dioxide moves from the blood to the lungs. The pharynx serves as a passageway for both air and food. Hormones cause males to put on more muscle mass during puberty. Blood carries hormones throughout the body. The respiratory system removes the waste gas carbon dioxide from the body. Muscles raise the hair on the arms and legs to help retain heat. Waste products are filtered from the blood in the kidneys. The brain stem regulates breathing. Breathing rate increases to provide the extra oxygen needed during child birth. Blood carries digested nutrients to body cells. Muscle contractions are involved in emptying the urinary bladder. White blood cells attack Contractions of the pathogens such as diaphragm help move bacteria and viruses, air into the lungs. Sneezing involves involuntary muscle contractions. Signals travel down the spinal cord to the muscles. The contraction and relaxation of skeletal muscles moves bones. Bone marrow produces red blood cells. Hormones can contribute to asthma attacks. Cells lining the nostrils produce mucus that keeps the nearby tissue from drying out. The heart is largely composed of muscle tissue. Mucus lining the respiratory passages helps trap pathogens. The brain stem controls heart rate.
