Vocabulary
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100
A connective tissue that produces red and white blood cells.
What is bone marrow?
100
These are the smallest blood vessels.
What are capillaries?
100
A subatomic particle with no charge.
What is a neutron?
100
The process by which many materials move in and out of cells.
What is diffusion?
200
The tiny tubes sticking into the small intestine.
What is villi?
200
A place where bones meet and are attached to each other and to muscles.
What are joints?
200
Nerve cells that detect conditions in the body's environment.
What are receptors?
200
Cells that work together to perform a specific function.
What is tissue?
300
These are tough bands of connective tissue that attaches muscles to bone.
What are tendons?
300
One of the bands of connective tissue that hold a skeleton together.
What are ligaments?
300
Tissues that work together to perform a specific function.
What is an organ?
300
A jelly-like substance containing many chemicals that keeps a cell full functioning.
What is cytoplasm?
400
These are the basic units of structure and functionof all living things.
What are cells?
400
Tiny air sacs located at the end of the bronchi and lungs.
What are aveoli?
400
Tubes inside the kidneys where urea and water diffuse from the blood.
What are nephrons?
400
The diffusion of water and dissolved materials through cell membranes.
What is osmosis?
500
The thin covering that encloses a cell and holds it's parts together.
What is the cell membrane?
500
These are organs that work together to perform a function.
What is a system?
500
The organelle that controls all of the cells activities.
What is the nucleus?
500
Threadlike structures inside the nucleus.
What are chromosomes?
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