Chapter 8 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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| Platelets are helpful in ________. | clotting the blood
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| which of the following body parts is about the size of a human fist? | the heart
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| Which blood vessels carry blood to the heart? | veins
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| What is the principal function of digestive enzymes? | breaking down food
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| Almost half of our blood consists of _______ | red blood cells
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| circulatory system | blood vessels
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| respiratory system | the lungs
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| excretory system | the kidneys
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| nervous system | the spinal cord
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| digestive system | the small intestine
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| endocrine system | glands
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| skeletal system | bones
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| muscular system | biceps and triceps
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| The central nervous system has two main parts, the brain and the ______. | spinal cord
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| The ______ carry impulses from the brain and spinal cord to muscles and glands. | motor neurons
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| Bones come together at ______. | joints
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| The brain picks up many different messages from the _____ organs | sense
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| The brain sends messages to other parts of the body through the _____ cells. | nerve
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| peristalsis | Smooth muscles in the esophagus contract, or squeeze together, to push food toward the stomach.
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| Mechanical digestion | the mechanical action to make food pieces smaller
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| chyme | liquid food in the stomach
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| Arteries | carry oxygen rich blood to the blood
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| veins | carry carbon dioxide rich blood to the heart
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| perspiration | liquid waste made of heat, water, and salt released through the skin
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| peripheral nervous system | the nerves in the body that carry messages
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| brain stem | controls automatic systems in your body
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| automatic systems in your bosy | heart rate, gland secretions, digestion, respiration, circulation
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| What are some reflex actions? | Sneezing, coughing, and blinking
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| What does the pupil do when you go into a dark room? | It gets bigger to let more light in.
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| Why can't you smell when your nose is plugged? | Holding your nose stops air from reaching the receptor cells in your nose. As a result the brain doesn't receive impulses from the nose, and you lose much of your sense of taste.
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| Why do your adrenal glands release adrenaline? | gives the body strength and speed
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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.
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.
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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