Oxygen from air is made available to the blood through the ________ and then to the body cells by the circulatory system.

Which of the following is an organ or structure of the respiratory system?

Which organ functions as the passageway for both food and air?

Which organ carries food to the stomach?

Which organ is the passageway for air to travel into the lungs?

An unresponsive person is at risk for suffocation because:

The passage of air into and out of the lungs is called ________.

The process of breathing out is called ________.

Signs of inadequate breathing include which of the following?

The ________ is made of the blood, the heart, and the blood vessels.

The heart is located behind the ________.

Each time the heart contracts, the surge of blood can be felt as a ________.

Which of the following is the major artery of the neck?

Which artery should be used to check the pulse of an unconscious victim?

Which portion of blood carries oxygen to the organs?

Which portion of blood defends against bacteria?

Hemorrhage is the term for:

Inadequate circulation is known as ________.

The adult skeleton has ____ bones.

A person with a back or neck injury must be handled with extreme care to prevent injury to the:

The ________ is the most freely movable joint in the body and is easily dislocated.

Most skeletal muscles are attached to the bones they move by ________.

Walking, chewing, talking, and smiling are all acts made possible by which type of muscle?

A joint is where two or more ________ meet or join.