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The digestive system would be an example of an organ system.

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An organ system is a group of organs that work together to perform functions.

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An example of a chemical would be sodium. Sodium is vital for action potentials in the nerve because it creates polarization of the membrane.

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An example of an organism would be a cockroach. An organism can be anything from a plant to a human.

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This shows the top of the body, the superior part is towards the top. Ex.) the antennas are superior to the head. The inferior part of the body which is closer to the bottom. Ex.) The last two legs are inferior to the head. Furthermore, medial is towards the middle and lateral is away from the middle.

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An example of a cell would be a neuron. A neuron sends messages to other neurons which are called action potentials. Both cockroaches and humans have neurons.

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Why did we use a cockroach to study humans? 

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Why did we use a cockroach to study humans? 

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We used the cockroach to study humans because the cockroaches also generate action potentials. In class we learned that action potentials are generated trough neurons.

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The Femur and Tibia resemble the thigh and shin from a human. This allows the cockroach to move freely.

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The structure follows the function, which makes this a complementary properties.
(Comparing the cockroach to a human)

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In the bottom view I showed the proximal which is closer to the reference point and distal being further away from the reference point. Ex.) proximal- the femur in proximal to the medial (middle) part of the body. Ex. 2) The antennas are distal from the body.

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( Cockroach)

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In order to pull the leg off of the bug we had to put it in ice water. Even though the water was cold the cockroach maintained homeostasis and lived trough it by utilizing negative feedback of warming itself up.

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chemical-
cell-
Tissue- The muscle tissue allowed for movements of the cockroach.
organ-
organ system-
Organism- The cockroach is an organism because it's living.

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An organism is an individual living thing.

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The heart is one of the most vital organs. It's responsible for pumping blood throughout the body. The heart is connected to arteries that send blood.

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An organ is body parts that are made up of tissue.

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This is an example of skeletal tissue. Skeletal tissue control voluntary movement ( such as walking and chewing). An example of tissue in cockroaches would be the shell that protects it from outside damage.

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A tissue is a group of cells.

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A cell is a life's fundamental unit of structure and function.

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Atom- The basic unit of matter, also the smallest level of hierarchy.

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Atom, Cell, Tissue, organ, organ system, Organism.

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Model: Cockroach

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Homeostasis- The ability for a living organism to maintain balance, regardless of it's enviroment.

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For our last step we connected the smartphone to the spiker box. We opned up the box and listened to the action ptentials of the leg.

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After placing the leg on the spiker box we pinned the lectrodes to the femur and the tibia of the cockroach leg.

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After we cut off the leg we placed it on the spiker box to begin the experiment.

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In this video, Hannah cut off the cockroaches leg.

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The second step, we put the cockroach in ice water for a couple minutes in order to numb it's body.

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For the first step we set up our spiker box properly by connecting the cords and putting in the battery.