Respiratory and Circulatory Systems

Front

The respiratory system is the body system in which _______ exchange takes place.

Back

gas

Front

What is the correct pathway that blood takes as it leaves the heart, circulates throughout the body, and returns to the heart?

Back

arteries, arterioles, capillaries, venules, veins

Front

This is an image of the alveoli in the lungs.

Back

True

Front

The function of the respiratory systems is to bring carbon dioxide into the body and to expel oxygen and water vapor.

Back

False

Front

Correct pathway of air into the respiratory system?

Back

nose and mouth, pharynx, trachea, bronchi, bronchioles, alveoli

Front

The diaphragm is a dome-shaped muscle at the base of the rib cage.

Back

True

Front

The heart is a muscular pump, about the size of your ______, that keeps the blood moving to every part of the body.

Back

fist

Front

In which structure of the respiratory system does gas exchange take place? Options: trachea, bronchioles, pharynx, alveoli

Back

alveoli

Front

The largest structures in your heart are the two chambers.

Back

False

Front

Sequence of blood flow through the heart and lungs: left ventricle, left atrium, lungs, right ventricle, right atrium, right atrium, right ventricle, lungs, left atrium left ventricle, lungs, right atrium, right ventricle, left atrium, left ventricle, right atrium, right ventricle, left atrium, left ventricle, lungs

Back

right atrium, right ventricle, lungs, left atrium, left ventricle