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WorksheetsCardio- respiratory system Quiz
Total questions: 27
Worksheet time: 21mins
Percentage of oxygen intake when breathing in
79
0.04
21
16
Percentage of oxygen extracted when breathing out
16
21
79
4
Percentage of carbon dioxide intake when breathing in
16
21
0.04
4
Percentage of carbon dioxide extracted when breathing out
0.04
4
79
16
After breathing in this is the first place oxygen travels to
Bronchi
Bronchioles
Alveoli
Trachea
Gaseous exchange happens where?
Bronchi
Heart
Alveoli
Trachea
What is the main organ of the circulatory system?
small intestine
bone
lungs
heart
Which component of blood fights off foreign invaders like bacteria and viruses?
Plasma
White blood cell
Red blood cell
Platelet
What is the liquid component of the blood?
Plasma
White blood cell
Red blood cell
Platelet
Which component of blood forms clots?
Plasma
White blood cell
Red blood cell
Platelet
Which blood vessel has thick walls and carries oxygenated blood?
Artery
Capillary
Vein
Heart
Which blood vessel is a single cell thick and exchanges oxygen and carbon dioxide with cells?
Artery
Capillary
Vein
Heart
Which blood vessel has valves and carries deoxygenated blood back to the heart?
Artery
Capillary
Vein
Heart
The two tubes that branch into the lungs are called the...
alveoli
bronchi
bronchioles
diaphragm
This muscle contracts and relaxes to control when you inhale and exhale...
alveoli
bronchi
bronchioles
diaphragm
What are the main organs of the respiratory system?
small intestines
bones
lungs
eyes
How many chambers does the heart have?
4
10
3
1
What keeps blood flowing in the right direction?
Atria
Chambers
Valves
Veins
The heart is made of which of the following types of muscles?
Cardiac muscle
Striated muscle
Smooth muscle
None of the above
Which of the following are chambers of the heart?
Valves
Atrium and ventricle
Arteries and veins
Sinoatrial nerve
What part of the heart divides the ventricles into two sides?
ventricular separator
divider
Septum
