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| Hierarchy of the Structure of the Human Body |
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Definition
1. Atoms
2. Molecules
3. Cells
4. Tissues
5. Organs
6. Organ Systems
7. Organism
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| smallest part of element: the smallest portion into which an element can be divided and still retain its properties |
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| smallest part of chemical compound: the smallest physical unit of a substance that can exist independently, consisting of one or more atoms held together by chemical forces |
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| the basic unit of all life |
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| Cells combine in terms of function and type |
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| two or more tissues working together to perform a certain function |
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| organs working together to perform a task |
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| the result of all organ systems working together within the body |
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- Epithelial Tissue
- Connective Tissue
- Muscle Tissue
- Nervous Tissue
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Provides covering (skin tissue) or produces secretions (glandular tissue).
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| connects different structures of the body (ligaments, bone, cartilage, adipose, and blood vessels) |
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| produces movement (brain, skeletal, cardiac, smooth, intestines, bladder, uterus, and blood vessels) |
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| provides structure for the brain, spinal cord, and nerves. |
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| made of neurons that send electrical impulse throughout the body |
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| protects the nervous tissue |
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Circulatory System
Urinary System
Muscular System
Skeletal System
Reproductive System
Integumentary System
Endocrine System
Digestive System
Lymphatic System
Nervous System
Respiratory System |
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Definition
| Consist of the herart blood vessels, and blood. Supprots the curculation and distrubtion of varioussusbtances through the body (oxygen, hormones, and nutrients) |
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| Consist of all organs from the mouth to the anus. Involved in the ingestion and breakdown or processing of food. |
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| Serves to contol body function |
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| Consist of the skin, mucous membranes, hair, and nails. Protects internal tissues from injury, waterproofs the body, and helps regulate body temperture. |
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| Consists of lymph nodes, lymph vessels, spleen, thymus, and tonsils. Supports the immune system by housing and transporting white blood cells to and from lymph nodes. Helps return fluid from the cardiovascular system back into the blood stream. |
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| Consists of skeletal muscles, tendons that connect muscles to bones, and ligaments that attach bones together to form joints. |
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| Consists of the brain, spinal cord, and nerves. Serves as the body's control system. |
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| Consists of the testes, penis, ovaries, vagina, and breasts. Main purpose is to produce offspring. Also houses hormones that encourage or suppress activities within body (i.e. libido and aggression) and infleunce the development of masculine or feminie body characteristics. |
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[image]
upper end of the body or body structure |
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| Provides support and protection for the body and its organs and spupplies a framework that when used in conjuction with muscles, creates movement. It also serves as storage for minerals such as calcium and phosphorus. Consists of bones, cartilage, ligaments, and joints. |
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| Helps maintain the water and electrolytes balance within the body, regulates the acid-base balance of the blood, and removes all nitrogen-containing wastes from the body. |
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Standard position in which the body is facing forward, the feet are parallel to each other, and the arms are at the sides with palms facing forward.
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[image]
upper end of the body or body structure |
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lower end of the body or body structure
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front of the body or body structure
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back of the body or body structure
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middle of the body or body structure |
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outer sides of the body ot body structure
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Between medial and lateral
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close to the orgin of the body part or point of attachment
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away from the orgin of the body part or point of attachment
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toward or at the body surface |
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away from or below the body surface
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cut made divinging the body into right and left parts
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section made down the median of the body
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cut made along the horizontal plane diving the body into upper and lower regions.
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cut made dividing the body into front and back regions
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protects the nervous system: the cranial cavity (the skull) and vertbal or spinal cavity (the spinal cord)
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Consist of two major subdivision: thoracic cavity and abdominopelvic cavity. Houses internal organs collectively called viscera.
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| an organ in a body cavity |
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| receive, interpret, and respond to internal and external stimuli via the nervous system |
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transport oxygen and other nutrients to tissues via the cardiovascular system
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| remove metabolic waste from the body via the renal system |
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| allow voluntary and involuntary movement of body via the musculoskeletal and neurological system |
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| take in and break down nutrients to be used for metabolism via the digestive system |
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| take in oxygen and expel carbon dioxide via the respiratory system |
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| homronal control of body function via the endocrine system |
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| production of offspring via the reproductive system |
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| Transportation highway for the entire body. |
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Definition
| circulatory/cardiovascular system |
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