Unit 6: Musculoskeletal & Reproductive Systems
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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| Skeletal System's Jobs | provides shape and support, enables you to move, protects your organs, produces blood cells, stores materials
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| Joint | a place where two bones come together
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| Movable joints | allow the bones to make a range of movements depending on the type of joint
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| Immovable joints | connect bones in a way that allows little or no movement
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| Red bone marrow | produces the body's blood cells
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| Yellow bone marrow | stores fat
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| Involuntary muscles | not under your control (breathing and digesting food)
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| Voluntary muscles | under your control (moving your arm or leg)
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| Skeletal muscle | attached to the bones of your skeleton; voluntary movement
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| Cardiac muscle | muscle in your heart, involuntary like smooth muscle, does not get tired, but looks like skeletal muscle under the microscope
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| Smooth muscle | on the inside of many organs, such as the walls of the stomach and blood vessels; work automatically
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| Tendon | strong tissue that attaches muscle to bone
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| Asexual reproduction | Only 1 parent; all of the offspring are identical (clones)
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| Sexual reproduction | 2 parents; all of the offspring have different genes
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| Number of chromosomes in human body cell | 46
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| Number of chromosomes in human egg cell | 23
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| Number of chromosomes in human sperm cell | 23
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| Chromosome | Package of DNA inside the nucleus of your cell
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| Testic | Produce sperm (males only)
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| Prostate | Produces liquid that mixes with the sperm to make semen (males only)
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| Scrotum | Skin that protects the testis (males only)
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| Bladder | Stores urine (pee) (males and females)
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| Urethra | Tube that carries pee out of the body in females, and pee and sperm out of the body in males
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| Penis | Organ where semen (a mixture of sperm and other liquids) leaves the body (males only)
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| Cervix | Opening from the vagina to the uterus (females only)
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| Vagina | Where the sperm enters and where the baby leaves the mother's body during birth (females only)
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| Uterus | Where the baby grows and develops (females only)
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| Ovaries | Store eggs. Release one egg per month into the fallopian tube starting into adolescence (females only)
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| Fallopian tubes | Carry the egg from the ovary to the uterus (females only)
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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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