Lines the surfaces of the body, both as a body covering and between internal organs.
What is epithelial tisse?
100
Produced by transmitting a wavelength of electromagnetic radiation through the body to expose photographic film on the other side.
What is X ray?
100
Four things that the circulatory system transports.
What are blood, nutrients, gases, and wastes?
100
Where food chunks are surrounded by gastric juices.
What is the stomach?
100
An unspecialized cell that can produce various specialized cells.
What are stem cells?
200
Designed to change their shape and act by shortening or lengthening.
What is muscle tissue?
200
Produced by directing high frequency sound waves at a part of the body, usually from a microphone attached to a computer.
What is an ultrasound?
200
Carries blood from the heart to all body parts.
What are arteries?
200
Food passes through here after it is swallowed.
What is the pharynx?
200
Can cause the formation of blood clots.
What is hypertension and arteriosclerosis?
300
Made of cells called neurons, which have finger-like projections to receive and transfer signals.
What is nervous tissue?
300
Produced by taking X rays of very thin "slices" of a body part that can be reconstructed by a computer into a three-dimensional image.
What is a CT or CAT scan?
300
Carries blood from body parts back to the heart.
What are veins?
300
The enzyme in saliva.
What is amylase?
300
An unspecialized cell that can become any one of an organism's body cells.
What are totipotent (embryonic stem cells)?
400
Consists of cells in an extracellular matrix that can range from a liquid (in blood), to elastic materials that can stretch (in ligaments), to mineral deposits (in bone).
What is connective tissue?
400
Produced using radio signals in a magnetic field to create images of body parts.
What is a MRI scan?
400
Separates the ventricles.
What is the septum?
400
The round muscle at the bottom of the stomach.
What is the sphincter?
400
Between 6 to 10 m long in an adult.
What is the length of the small intestine?
500
Transports nutrients nad oxygen, clots when the skin is cut, and attacks invaders.
What is blood tissue?
500
Shows real-time movement of body parts like the heart. It is useful for watching organ functions.
What is an ultrasound?
500
Pumps blood to the lungs.
What is the left ventricle?
500
Maximizes the surface area over which nutrients and water can be absorbed into the bloodstream from the large intestine.
What are villi and microvilli?
500
A surgery that uses a balloon or laser to try to open clogged arteries.