The clear, jellylike substance that separates the cell membrane and the nucleus.
What is cytoplasm?
100
Different kinds of tissue come together in the body to create this.
What is an organ?
100
The system of the human body that is comprised of our bones, which give us structure and support.
What is the skeletal system?
100
The main function of the respiratory system is to supply this to the body?
What is oxygen?
100
The blood vessels that carry blood away from the heart to the rest of the body.
What are arteries?
200
The part of the cell that is responsible for energy production.
What is mitochondria?
200
The organ that brings in oxygen to be spread throughout the body?
What are the lungs?
200
The system that helps circulate vital substances throughout the body and collects waste products for disposal. Made up of the heart, blood cells, capillaries, veins and arteries.
What is the circulatory system?
200
The main organ of the respiratory system.
What are the lungs?
200
The main ingredient in blood, yellowish in color, made mostly of water. It makes up 55% of blood.
What is plasma?
300
The control center of the cell.
What is the nucleus?
300
The organ in your body that is the control center. It sends messages to your body commanding the body's functions.
What is the brain?
300
This system is responsible for giving blood the oxygen it needs and taking carbon dioxide from the blood.
What is the respiratory system?
300
When you exhale, this gas is eliminated.
What is carbon dioxide?
300
These blood cells carry oxygen and carbon dioxide throughout the body.
What are red blood cells?
400
The part of the cell that makes proteins.
What are the ribosomes?
400
A nerve filled sensing organ that can detect temperature, pressure and pain.
What is skin?
400
The system that runs the body. The main organs of this system include the brain and spinal cord.
What is the nervous system?
400
The muscle that contracts to make room for air in the lungs.
What is the diaphragm?
400
The three main parts of the circulatory system.
What are the heart, blood vessels and blood?
500
A family of cells that live very close together, and work hard to do the same jobs.
What is tissue?
500
The organ that helps take toxins out of your blood. Helps aid in digestion.
What is the liver?
500
The system of the human body which regulates body functions.
What is the endocrine system?
500
The tiny air sacs that each lung contains. Oxygen passes through these air sacs and enters the blood.
What are alveoli?
500
The type of blood cells that act as the body's defenses, fighting against infection.