Organ Systems



Organ Systems Worksheet

1. Describe the purpose or function of each organ system...

Circulatory System:

Nervous System:

Endocrine System:

Excretory System:

Digestive System:

Respiratory System:

Lymphatic System:

Reproduction System:

2. Label the indicated organs or structures.

3. Complete the chart using your notes/handouts from the organ systems presentations.

|Organ |Function |Associated System |

|Heart | | |

|Artery | | |

|Veins | | |

| |-thin walled blood vessel, exchanges gases between the blood and body tissues |Circulatory |

| |-location of digestion, breaks food down with enzymes | |

|Small intestines | |Digestion |

|Alveoli | | |

| |Produces enzymes that aid with digestion |Endocrine/digestive |

|Pharynx |Connects the nose | |

|Cervix | | |

|Prostate | | |

|Ovaries |- small, oval-shaped glands on either side of the uterus |Reproduction |

| |-produce eggs and hormones | |

|Uterus | | |

| |- oval organs in the scrotum |Reproduction |

| |- produce testosterone, and generating sperm | |

|Urethra | | |

|Fallopian tubes | | |

| |- produces lymphocytes (white blood cells) |Lymphatic |

| |- filters damaged/dead red blood cells | |

|Lymph vessels | | |

|Liver | | |

|Gall bladder | | |

| |- temporarily stores liquid waste (urine) |Excretory |

|Kidneys | | |

|Large intestines | | |

|Pituitary gland | | |

|Adrenal gland | | |

|Thyroid gland |- stimulates secretion of thyroid gland hormone responsible for metabolism | |

|Hypothalamus gland | | |

Answer each of the following questions regarding the different organ systems:

4. Explain how three structures of the respiratory system work together to accomplish the task of breathing.

5. The circulatory system is a transportation system. Use an analogy of roadways to explain how this system functions.

6. Explain how the excretory system eliminates waste.

7. Explain how each of these organ systems interact:

a) Circulatory System and the Respiratory System

b) Immune (Lymphatic) System and the Circulatory System

c) Excretory System and the Reproductive System

d) Nervous System and the Endocrine System

e) Nervous System and the Digestive System

f) Excretory System and the Circulatory System

8. Some organs have roles in more than 1 system. Explain 2 different functions of each organ and identify the organ systems it plays a part in.

a) Brain

b) Pancreas

c) Bone marrow

9. The endocrine system and the reproductive system are closely linked. Explain why these two systems are dependent on each other.

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