Chapter 8

Question 1

Blood movement within the heart is from the___________(the receiving chambers) to the ___________ (the propulsion chambers) and from the ventricles to the arteries.

Answer 1

Atria and Ventricles

Question 2

_____________ carries oxygen-rich blood away from the heart.

Answer 2

Arteries or arterioles

Question 3

All blood from the venous system enters the right ___________ then the ___________ __________, which pumps blood to the lungs. In the lungs, the blood picks up a fresh supply of oxygen and gives off carbon dioxide.

Answer 3

Atrium, right ventricle

Question 4

________________ provides sites for gas, nutrient, and waste exchange between the blood and tissues.

Answer 4

Capillaries

Question 5

__________ refers to the contraction phase of the cardia cycle, during which blood leaves the ventricles.

Answer 5

Systole

Question 6

____________ Refers to the relaxation phase of the cardiac cycle, during which blood fills the ventricles.

Answer 6

Diastole

Question 7

The ____________ system is made up of the nose, nasal cavity, pharynx, larynx, trachea, bronchi, and lungs.

Answer 7

Respiratory

Question 8

Which is the only skeletal muscle considered essential for life?

Answer 8

Diaphragm

Question 9

___________ ___________ is defined as the capacity of the heart and lungs to deliver blood and oxygen to the working muscles during exercise.

Answer 9

Cardiorespiratory Fitness