Science Revision

  • Created by: Armaanok
  • Created on: 16-06-21 08:24
Circulatory system
The circulatory system is responsible for transporting oxygen and nutrients to your blood and waste such as carbon dioxide out.
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respiratory system
the respiratory system is responsible for filtering the air we breathe by bringing oxygen into our body and carbon dioxide out.
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Nervous system
The nervous system helps all the parts of the body to communicate with each other. It also reacts to changes both outside and inside the body.
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endocrine system
the endocrine system is the collection of glands that produce hormones.
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cellular respiration
Cellular respiration is the breakdown of glucose in the presence of oxygen, which releases energy that can be transformed into a form that cells can use. Carbon dioxide is a waste product.
Glucose + oxygen→carbon dioxide + water + energy
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Gas exchange
the inhaled oxygen in the alveoli moves to the blood in the capillaries and the carbon dioxide from the blood in the capillaries moves to the alveoli,
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Function of heart
The heart sends blood around your body. The blood provides your body with the oxygen and nutrients it needs.
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How blood travels
Oxygen poor blood is bought to the right atrium via the vena cava, the blood then goes to the right ventricle and then to the lungs through the pulmonary arteries and the lungs refresh the blood with a new supply of oxygen, then pulmonary veins carry the
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Purpose of Arteries, capillaries, veins, and valves.
The purpose of arteries is to carry oxygenated blood away from the heart and the purpose of the veins is to carry de-oxygenated blood back to the heart. Capillaries help to connect the arteries and veins and exchange materials between blood and tissue cel
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The types of neurons are, Sensory neurons, Motor neurons, and interneurons, which are linked by synapses.
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sensory organs and their stimuli and receptors
your sensory organs are your nose, ears, tongue, eyes and skin. The special nerve endings in your skin are called receptors. There are many different types of receptors on the skin including pain receptors, mechanoreceptors and thermoreceptors.
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how messages travel in the endocrine system
Endocrine glands release hormones and pass them through the blood stream. From the blood stream the hormones communicate with the body and make a change or affect to the cell or tissue which they head towards.
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endocrine hormones and glands
The endocrine hormones help control mood, growth and development, the way our organs work, metabolism , and reproduction and the endocrine glands send the hormnes, the endocrine system is also known as the hormonal system.
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reading periodic table
The mass number is the total of protons and neutrons.
The atomic number is the number of protons.
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Isotopes are atoms that have the same atomic number and position on the periodic table and a different mass number due to the amount of neutrons.
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alpha, beta, and gamma particles
Alpha particles carry a positive charge, beta particles carry a negative charge, and gamma rays are neutral.
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half life.
A half-life is the time required for a quantity to reduce to half of its value.
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producer, consumer, and decomposer
producers make their own food, consumers eat producers or other consumers to have energy. Decomposers break down dead organisms and release their important molecules.
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autotrophs and herotrophs
Autotrophs are known as producers because they are able to make their own food from raw materials and energy. Examples include plants, algae, and some types of bacteria. Heterotrophs are known as consumers because they consume producers or other consumers
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energy transfer
Energy is transferred when organisms consume other organisms. When you go higher up in the food chain less energy is transferred because energy is lost in the process of the energy transfer. 10 percent energy
Restored, per energy transfer.
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relationships between organisms
-Commensalism: A relationship between an organism’s in which one benefits and the other neither benefits or is harmed.
-Parasitism: A relationship where one organism benefits and the other organism is harmed.
-Amensalism is a relationship where an organis
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abiotic and biotic
Abiotic factors are nonliving factors in the environment and biotic factors are living factors in the environment.
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Other cards in this set

Card 2


respiratory system


the respiratory system is responsible for filtering the air we breathe by bringing oxygen into our body and carbon dioxide out.

Card 3


Nervous system


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Card 4


endocrine system


Preview of the front of card 4

Card 5


cellular respiration


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