Body Cavities
Respiratory System
Circulatory System
Digestive System
Vocabulary
100

This cavity contains the brain.

Cranial Cavity

100

What is the function of the respiratory system?

Move air into and out of the body

100

The heart has how many chambers?

Four: two atria, two ventricles

100

What is the function of the digestive system?

Break down food and absorb nutrients such as glucose.

100

Basic units of structure and function in the human body

Cells

200

The spinal cord is housed in this cavity.

Spinal Cavity

200

Name three parts of the respiratory system

Lungs, nasal cavity, trachea, bronchi, pharynx

200

What is the function of the circulatory system?

Allow the transport of materials from one place to another.

200

Name three parts of the digestive system.

Esophagus, stomach, gallbladder, liver, intestines, colon

200

A group of connected cells that have a similar function

Tissue

300

Name three organs in the abdominal cavity.

Stomach, liver, spleen, small intestine, kidneys, large intestive.

300

The organs of the respiratory system are divided into how many tracts?

Two: upper respiratory tract and lower respiratory tract

300

Name two parts of the circulatory system.

Heart, blood vessels (arteries, veins), blood

300

What is the term for the physical breakdown of chunks of food into smaller pieces?

Mechanical digestion (mainly in stomach and mouth)

300

A structure that consists of two or more types of tissues that work together to do the same job

Organ

400

The bladder and reproductive organs are housed in this cavity.

Pelvic Cavity

400

Respiration involves breathing in ____ gas and breathing out _____ gas.

Breathe in: oxygen

Breathe out: carbon dioxide

400

What part of the heart keeps blood flowing through the heart in just one direction?

Valves

400

Why are the liver, gallbladder and pancreas called accessory organs?

Because food does not pass through them. Instead, they secrete or store substances needed for digestion.

400

A group of organs that work together to carry out a complex overall function

Organ system

500

What organs are housed in the thoracic cavity?

Lungs and heart

500

What is the name of the windpipe that leads down to the chest?

Trachea

500
Approximately how many times a day will the heart beat in one day?

100,000/day

35 million times/year

2.5 billion times/lifetime

500

What is the name of the process where substances pass into the bloodstream so that they can circulate throughout the body?

Absorption

500

When a body is examined in order to help determine the cause and manner of death

Autopsy