Human Biology Review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Cell | Basic unit of structure and function in a living thing
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| Nucleus | Controls the cell's activities
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| Cardiac muscle | Found in the heart
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| Melanin | Gives skin its pigment
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| Follicles | Hair grows from these
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| Spongy bone | Has many holes and makes bone lightweight
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| Skeletal muscle | Has striations and is voluntary
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| Ball and socket joint | Hip and shoulder
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| Smooth muscle | Involuntary muscle found in stomach
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| Hinge Joint | Knee and elbow
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| Epidermis | Layer of skin that has dead cells
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| Dermis | Layer of skin that has nerves and BV
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| Connective tissue | Ligaments and tendons
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| Organ | Made of different kinds of tissue
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| Tissue | Made of the same kinds of cells that have the same job
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| Homeostasis | Maintaining balance in the body
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| Marrow | Red and yellow are examples of this
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| Pores | Sweat leaves the skin through these
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| Osteoporosis | When bones are weak and can break
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| Sprain | When ligaments tear
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| How the body is organized from smallest to largest | Cells, tissues, organs, organ systems
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| Functions of the skeleton | a. provides shape and support
b. enables you to move
c. protects your organs
d. produces blood cells
e. stores minerals and other materials until your body needs them
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| Ligaments | Strong connective tissue that holds bones together in movable joints
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| Cartilage | A connective tissue that is more flexible than bone and that protects the ends of bones and keeps them from rubbing together
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| Calcium | Important mineral bones need to stay healthy and strong
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| What can you do to keep your bones healthy? | 1. well-balanced diet 2. exercise.
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| Hair follicles found on _______ layer of skin. | dermis
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| Major difference between an MRI and an X ray | 1. X-ray = shows bones as clearly defined white areas
2. MRI = shows images of body tissues, muscles, and other soft tissues that an X-ray image cannot show.
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| Reason your backbone consists of many vertebrae as opposed to one large bone | If your backbone were just one bone, you would not be able to bend or twist. The vertebra, 26 small bones, adjust as you move.
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| Difference between ligaments and tendons | 1. Ligaments = Strong connective tissue that holds bones together in movable joints
2. Tendons = Strong connective tissue that attaches muscle to bone.
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| Different parts of bone | Outer membrane, compact bone, spongy bone, bone marrow
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| Function of Skin 1: Protecting the Body | a. forming a barrier that keeps disease-causing microorganisms and harmful substances outside the body
b. helps keep important substances inside the body
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| Function of Skin 2: Maintaining Temperature | a. When you become too warm, blood vessels enlarge and the amount of blood that flows through them increases. These changes allow heat to move from your body into the outside.
b. sweat glands in the skin respond to excess heat by producing perspiration.
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| Function of Skin 3: Eliminating Wastes | Perspiration contains dissolved waste materials that come from the breakdown of chemicals during cellular processes.
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| Function of Skin 4: Gathering Information | The nerves in skin provide information about such things as pressure, pain, and temperature.
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| Function of Skin 5: Producing Vitamin D | a. Skin cells produce vitamin D in the presence of sunlight.
b. Vitamin D is important for healthy bones because it helps the cells in your digestive system to absorb the calcium in your food.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
mstanislavsky
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