Guided Notes - Cardiorespiratory Fitness and Endurance.pdf...

Cardiorespiratory Fitness and
Endurance
Objective
In this lesson, you will
The Cardiorespiratory System
The cardiorespiratory system relies on your ____________ (cardiovascular) and ____________ systems.
The Respiratory System
The respiratory system delivers _________ to the cells
of your body. Oxygen moves into external parts, such as
your _________ and _________, then travels down
through the _________ and into a long tube called the
_________, or windpipe, then finally accumulates in
your _________.
Lungs
Air travels in and out of your lungs as the small muscle
under them, the ______________, contracts and expands.
→ After the trachea, air enters small tubes that branch out into the lungs and bloodstream. The
bloodstream is filled with ___________, the liquid connective tissue.
→ The air that mixes into the blood contains ___________ gas that helps to metabolize, or break down,
the food you eat into usable energy.
→ ____________ ____________ is expelled from the lungs as a by-product, or waste, of the respiratory
process.

The Circulatory System
The circulatory system, also known as the cardiovascular system, is responsible for ______________ oxygen-
rich blood from the lungs to your body's organs and tissues. The circulatory system includes the heart, which is
a strong, muscular organ that delivers important ______________ and oxygen to necessary cells.
The Human Heart
The heart comprises four different chambers:
➢ the left and right ventricles
➢ the left and right atria
• The right side of the heart contains oxygenated blood
and is shown in ________.
• The left side of the heart contains deoxygenated blood
is shown in ________.