Oxygen moves between the respiratory system and the circulatory system when it transfers from __________to __________.
Question 8
8.
The alveoli are located __________.
Question 9
9.
Question 10
10.
Lungs contain millions of __________.
Question 11
11.
The 3 main types of blood vessels are _______ , which carry blood to the heart, _______ , which carry blood away from the heart and _______ , which are the smallest blood vessels.
Question 12
12.
Using a complete sentence, explain the trachea's role (purpose) in respiration.
Which of the following is NOT part of the respiratory system?
pharynx
bronchus
trachea
ventricle
Which of the following statements is true?
Your lungs can store several hours' worth of oxygen.
Your body can't store oxygen at all.
Your body stores oxygen in your bloodstream.
Your body needs carbon dioxide to function properly
What term best describes the role of carbon dioxide in the human body?
Beneficial
Toxic
Harmless
Necessary
Which of the following is a synonym for the circulatory system?
Respiratory system
Endocrine system
Integumentary system
Cardiovascular system
Where in your body can you find blood vessels? Choose the best answer.
Around your heart
In your hands and feet
In your head
Virtually everywhere
What happens to solid waste in the circulatory system?
It’s expelled through the lungs
It pumps into the coronary circulation
t’s dropped off in the kidneys
It’s deposited in the aorta
Which best describes the function of a diaphragm?
The diaphragm receives air, food, and liquids from the mouth.
The diaphragm is the site where oxygen enters the capillaries.
The diaphragm regulates air pressure inside the chest.
The diaphragm vibrates when air passes through causing sound.