Science experiments and clinical trials
Digestive System
Respiratory System
Cardiovascular System

The baseline in an experiment that you can compare your results to

What is a control?

The part of the body where food enters, and digestion begins.
What is the mouth?
The most important to breathing, this organ is separated in two part and located behind the breast bone.
What are the lungs?

This is the most important part of the Circulatory System

What is the HEART!

Ms. Woodward's dog's name

What is Blue?


Factors you should consider when deciding which medicine to continue researching and developing after initial clinical trials (give at least 2).

Multiple correct answers including:

- severity of side effects

- probability of side effects (% of participants who had side effects)

- effectiveness of medicine


After traveling down the esophagus, food stops here and is mixed with strong acids.

What is the stomach?


Running parallel to the food tube, this pipe brings oxygen to the lungs.

What is the trachea?


The main purpose of the circulatory system

Move nutrients, gases, and wastes throughout the body


The topic of our next unit

Cells to Organisms


The factor you manipulate (change) in an experiment too see if it has an effect on another factor.

What is the independent variable?


In this tube you will find the solid waste remaining, after the water has been absorbed

What is large intestine?


The muscle responsible for expanding and contracting the lungs.

What is the diaphragm?


The large blood vessel with thick walls that usually carry blood with mostly oxygen

What are the arteries?


Evidence comes from _________ and reasoning uses _________.

observations; inferences


The factor you measure in your experiment that is being affected by the factor you manipulated

What is a dependent variable


What is the purpose of the digestive system?

To extract nutrients from food, and get rid of waste.


What is the purpose of the respiratory system?

To fuel the body with oxygen and remove carbon dioxide.


The type of blood vessel that is kinda big and usually carries blood with carbon dioxide and other waste

What is a vein?


How are the circulatory and respiratory systems connected?

Respiratory system provides the oxygen that the circulatory system transports to other parts of the body. The circulatory system also collects carbon dioxide from the body and the lungs remove it.


How could you determine whether or not a clinical trial is ethical and scientifically valid study? (what would make it fair? what would make it a good experiment?)

Multiple correct responses including:

- participants knowingly participate (informed consent)

- many participants

- diverse participants

- extra variables are controlled


The organ responsible for absorbing nutrients from digested food and adding them to the blood stream

What is in the small intestine?


There are about 300 million of these in each lung.

What is alveoli?


Describe what happens to blood as it follows this path:

 lungs --> heart --> leg muscles --> heart --> lungs

Has oxygen when it leaves lungs

Heart sends it through arteries to legs

Blood gives oxygen to leg muscle cells and takes carbon dioxide and other waste

Travels through veins to heart, which sends it to lungs

When blood reaches lungs, the carbon dioxide in it is exchanged for oxygen


A conclusion you make based on observations

What is an inference?

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