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The circulatory system is made up of blood vessels which are like roads and blood cells which are like cars. Blood cells are split in three types some carry oxygen some fight infections and some cover hole in skin

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The respiratory system collect oxygen from the air and exchanges it with carbon dioxide

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when you are young, your body is mainly made up of cartilage with some bones. as you get older, the cartilage starts dissolving and turns into bones. once you reach to a certain point of your life, most of the cartilage will be gone on your bones.

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Cellular respiration is the process of turning food cells into energy.

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the skeletal system is a very important system in your body. it provides structure for the body, stores minerals, produces blood cells, and gives your body movement.

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red blood cells help with transporting oxeygen throughout your body.

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platelets are used when you break a bone or get a cut. they try and heal the hurt area by creating blood clots and making the area swell up with all the blood.

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white blood cells are the cells that protect your body from bacteria and sicknesses

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they are all blood vessels

veins: carry blood towards the heart

arteries: carry blood away from the heart

capillaries: smallest blood vessels

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they help with the strcture of our body and prevent us from getting hurt

they also help make blood to supply to the body

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when your whole body is in balance according to the environment.

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mitosis is where one parent cell splits into two cells that each split and then it goes on and on.

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the bone has 5 functions. They are protection, structure, movement, production of cells, and mineral storage.

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homeostasis is where your body tries to regulate 3 things. Your pH level, the amount of glucose in your blood, and your internal temperature. Your body does this with different things like sweating and making you thirsty.

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the middle of a bone is made up of bone marrow

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the nose has hair to catch foreign object and the nasal cavity catches the things that slip by with the mucus

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glycosis take place in the cytoplasm

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cellular respiration and photosynthesis are the exact opposite of each other but plants do them both

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alveoli are air sacs at the end of the bronchioles that mostly do all of the gas exchange.

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1. the yeast ate the sugar so it gave it energy and it released carbon dioxide which blew up the balloon.

2. the yeast cell is made of water, oxygen, sugar, and it removes the carbon after it eats the sugar and gets energy.

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1. the egg in vinegar had LC on the inside so it took the water in and became bigger while the one in glucose had HC on the inside and removed the water and and became smaller.

2. the semi permeable membrane had and LC on the inside so it took in the sugar molecules to make it equilibrium but starch molecules was to big to go out so only the sugar came in.

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what is the final destination of food molecules

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what is the final destination of food molecules

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the final destination of food molecules is in a cell where it is used as energy.

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capillaries allow oxygen, nutrients, carbon dioxide, and waste to pass through, while veins then carry your blood back to your heart and then it goes through the process again.

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veins take blood to the heart

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arteries take blood away from the heart and bring the blood to other parts of the body.

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villi are finger like structures in your small intestine that absorb food molecules

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1. digestion

2. absorption

3. elimination

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the small intestine absorbs nutrients and water

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our small intestine had three parts duodenum, jejunum, and ileum. Then small intestine absorbs the most nutrients from food in the digestive system

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the villi are in our small intestine. they help absorb the nutrients from the food that we eat.

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carbohydrates are sugar and starch molecules. they are also one of the 3 nutrients in your body.

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mechanical digestion takes place in your mouth and it happens when your teeth chew and grind down the food. it also takes place in the stomach.

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a chemical digestion is when certain enzymes break down nutrients, such as carbohydrates, proteins, and fats.

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the egg starts to look moldy and jelly like

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They help us break down our food

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our saliva helps us break down food with the enzymes, taste food, and convert the food into energy