An _________ is a collectoin of tissues that carry our a specific function in the body.

______________ sends electrical signals through the body.

____________ is the maintenance of a stable environment in the body.

The ________________ system works with the skeletal system to help you move.

Check which make up the skeletal system.
(Check all that apply.)

The place where two or more bones meet is called a _____________.

Cardiac muscles are an example of ______________ muscles.

Muscles work

What are two glands that are found in your skin?
(Check two.)

Sun damage to your skin is cummulative over time.

The three types of blood vessels are arteries, veins, and ______________.

Which blood vessel carries blood back to the heart?

Which statement is true?

The circulation of blood between the heart and the lungs is:

The leading cause of death in the United States is:

What are the parts of the circulatory system?
( Check all that apply. )

The fluid part of blood is called:

____________ help keep you healthy by destroying pathogens and helping to clean wounds.

If you are to receive atransfusion, it is important for the doctor to know your:

The largest lymphatic organ is:

The ___________ system is the group of organs and tissues that collect excess fluid and returns it to your blood.

Check some of the components of the lymphatic system.
(Check all that apply.)

____________ is the process by which the body gets and uses oxygen, and releases carbon dioxide and water.

Breathing requires not only your lungs, but also the ___________ in youir diaphram and rib cage.

A habit that almost certainly will result in a respiratry disorder over time is:

Your ___________ system is a group of organs that work together to digest food so it can be used by the body.

Nutrients from food are absorbed into the body in the:

The organ whose job it is to constantly clean the blood is the __________.

Your ___________ is the mass of tissue that is the main control center of the nervous system.

Check the main two components of the central nervous system:

A collection of glands and groups of cells that secrete homones that regulate growth, development, and homeostais is the ___________ system.

In sexual reproduction, the male sex cell is the ____________.

All mammals reproduce:

In the human female, the organ that produces eggs is the:

An embryo

The typical term of a human pregnancy is about ________ weeks.

Which drug is a factor in more than half of all suicides, murders and accidental deaths?

If you develop a dependence on a drug such as alcohol or opium, you have an __________.

Infectious diseases are cause by agents called:

Cells and tissues that recognize and attack foreign substances in the body form your: