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science chapter 2 -3
cell
| Question | Answer |
|---|---|
| An _________________ system is a group of organs and tissues that work together to carry out a life process | organ |
| the _____, ______________, ___________________, and other ____________ work together to carry out a life process | mouth, stomach, intestines, organs |
| together __________________ bones make up the skeletal system | 200 |
| the skeletal system has several has several important jobs | a. provides bodies with a strong support system b. skeletal system is to protect internal organs |
| you have about ________________ muscles that you control | 640 |
| in some cases, your ______________ tells dozens of muscles how to work together, in other cases ______________ work by themselves without you thinking about it. | brain muscles |
| ______________ is a mineral stored in bones and released into the blood | calcium |
| one of the biggest jobs of your ____ and ___________system is to work together to move your body | muscle skeletal |
| describe what happens when you bend your elbow | |
| muscles only __________ on bones: they never _________ | pull push |
| some of the strongest muscles in your body make up your | heart |
| muscles also squeeze food through the _________system | digestive |
| The red and white blood cells in your circulatory system are made in your bone ____________ | marrow |
| Bone _________ is a soft material that fills cavities and spongy bone tissue inside some bones. | marrow |
| A cell's shape is often ______________ to fit its job | specialized |
| Three groups of cells are _______________ cells, ___________ cells, and ___________ cells. | branching, flat, round |
| The shape of nerve cells makes them great for communicating signals between the _____ and the rest of the body | brain |
| Their great length helps these ____________ reach the brain quickly. | signals |
| the _________ structure can connect several parts of the body at once. | branching |
| _______________ ________________, such as skin cells, often join or overlap to cover a surface | flat cells |
| your skin is built of many layers of cells making it both ___________ and _____________ | strong, flexible |
| ____________ cells are found lining many different parts of the body | flat |
| ___________ _______________ ______________ are rounded discs with two bi dimples | red blood cells |
| red blood cells carry ____________ to all your cells | oxygen |
| the ____________ shape of red blood cells allows these cells to move easily through blood vessels, this shape gives extra surface area for picking up and carrying _________________ | smooth, oxygen |
| The ells with hair like structures in your ear vibrate with the _____________ waves and send signals to your brain | sound |
| in the airways of the lungs, cells have waving hair like structures called ____________ that swap dirt o germs out of the airways | cilia |
| muscle cells have long fibers made of _____________ | protein |
| the fibers are like threads that move to make the whole cell ________________ | shorter |
| the muscle fibers work together in ____________, making the muscles strong | bundles |
| cells rarely work by themselves and often work in ___________ | tissues |
| a _______- is a group of the same kind of ells working together doing the same job | tissue |
| tissues join with other types of tissue to form ____________ | organs |
| these tissues in an organ work together to perform a main ________________ | job |
| give some examples of organs | a. eyes b. heart c. ears d. stomach |
| the largest organ is your ______________ | skin |
| hair is a tissue in the organ called ___________ | skin |
| hair acts as a cushion to _____________ air next to your body | protect |
| hair also holds ___________ air next to your body | warm |
| sweat glands are _______________ in your skin | tissues |
| when sweat evaporates from the skin, it carries _____________ away from the body | heat |
| sweat also can carry some ________________ products from the cells | waste |
| by the time skin cells are pushed to the outside surface, the ________ are dead | cells |
| What does the skin tissue do? | a. protect inside the body b. keeps out germs c. prevents water from leaving your body |
| nerve tissue helps you sense __________, ______________ and ___________ | touch, pressure, temperature |
| blood vessels carry ___ and __________ to the cells | food, oxygen |
| _______________ glands keep the skin soft | oil |
| when you feel cold, muscle tissue pulls the hair upright and causes _____________ which trap warmer air close to your body | goosebumps |
| ______________ a group of organs and tissues that work together to carry out a life process | organ system |
| the part of the cell that contains chromosomes, which controls how the body grows and changes | nucleus |
| ____________________ in cells, these stores and break down materials in plant cells they may store water | vacuoles |
| _________________ this surrounds the cell and allows certain materials to enter the cell and waste products | cell membrane |
| _______________ a group of the same kind of cells working together doing the same job | tissue |
| _____________________ this is the green part of a plant cells working together doing the same job | chloroplast |
| ___________________ the tough material surrounding the cell membrane in plant cells that provides support and protection | cell wall |
| ____________________ A grouping of different tissues combined together into one structure to perform a main job in the body | organ |
| which type of cells make up your body | flat cells |
| A cell has branch like structures. which organ did this cell most likely come from? | brain |
| which of the following is an organ found in plants | leaf |
| which process do most cells use to get energy | respiration |
| in which body part would you find cells with hair like structures | lungs |
| Name two systems that work with the muscle system and explain how these systems work together | circulatory system digestive system the muscle system works with the digestive system to move food through the stomach and intestines. The muscle system works with the circulatory system when the muscles in the heart squeeze to push blood through the body. |
Created by:
Micha974
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