Digestion
Respiratory
Circulatory
Cells, Tissues, Organs
Miscellaneous
100
The number of organs in the digestive system that food actually passes through
6
100
The organ that air passes through, we commonly call the windpipe is also known as this
What is the trachea
100
These are the blood vessels that carry blood towards the heart
What are veins
100
This is the most fundamental (simplest) structure of all living things that can live on its own.
What is the cell
100
These are the 2 places the heart pumps blood
What is the lungs and the rest of the body
200
Salivary amylase is an enzyme that breaks down starch in this part of the body
What is the mouth
200
The main job of the respiratory system is to do these two things
What is bring in oxygen and remove carbon dioxide
200
This is the main function of the circulatory system
What is to move blood around the body and deliver it to the various cells
200
A group of cells that work together with a common purpose is called this
What is tissue
200
This is the name of the process where muscles contract in a wave-like motion to move substances through the bodu
What is peristalsis?
300
Chemical digestion occurs in several places but most of it happens here
What is small intestine
300
Inside the lungs is a branching network of these organs
What are bronchioles
300
This organ has 2 pumps and 4 chambers
What is the heart
300
The brain, stomach, blood vessels, and lungs are all considered to be this
What is an organ
300
This is the way gases transport across cell membranes (boundaries)
What is diffusion
400
Hydrochloric acid and pepsin are made in this organ
What is the stomach
400
These tiny air sacs are where oxygen diffuses into the capillaries
What are alveoli
400
These are the names of the chambers of the heart
What is atrium and ventricle
400
When different organs work together, it is called this
What is an organ system
400
When enzymes break this down, it becomes sugars
What is starch
500
Nutrients are absorbed in the small intestine. In the large intestine, this is absorbed
What is water
500
In this process, sugars from the food and oxygen from the air combine in cells to make energy for the body
What is cellular respiration
500
Blood flows past these and then cannot be forced back through. They act like security guards and maintain the direction of blood flow.
What are valves
500
This very important substance moves through all different parts of the body and will cause cells to die if the cell doesn't get enough.
What is oxygen
500
This is the largest organ in the human body
What is the skin
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