Respiratory
What are the three functions of the nose in the respiratory system?
Filter, Humidify, and warm
Which lung is smaller to make room for the heart?
The left lung.
What two areas does gaseous exchange occur?
At the lungs and at muscles/tissues.
What is the largest artery in the human body?
The aorta.
When talking about aerobic exercise and gauging how you feel after you use this acronym - RPE, what does it stand for?
Rate of perceived exertion.
What are the two zones of the respiratory system called?
The conducting zone and the respiratory zone.
Describe which direction arteries and veins carry blood. The options are away from the heart or towards the heart.
Arteries=away, Veins=towards.
Pulmonary arteries carry what kind of blood?
Deoxygenated blood.
If lungs were removed from the body would they float in water? Yes or No
Yes they are the only organ that will float due to tiny airspaces.
If you improve your A-VO2 diff from constant aerobic exercise what will also increase in your body to allow for even easier gaseous exchange?
Pressure gradient/difference in pressure.
How many sets of intercostal muscles are there?
11 sets.
How many chambers does the human heart have?
Four
When oxygen gets low in muscles it is because energy was created what is the name for this energy?
ATP
In litres how much blood is in the average humans body?
5 Litres
Engagin in aerobic exercise helps with yoour cholesterol what is the acronym for good and bad cholesterol?
Good= HDL, Bad=LDL
What is tidal volume?
The amount of air inhaled and exhaled per breath.
What makes blood red?
Haemoglobin makes the blood red but more specifically the iron in haemoglobin.
When is the only time expiration becomes an active process?
When the person is completeing exercise.
Why do veins appear blue when the blood traveling through them is red?
They appear blue due to an optical illusion caused by how your skin and the blood underneath interact with light.
What part of the heart sees the most improvement from aerobic exercise? Bonus point if you know if its on the left or the right side of the heart.
Ventricle and left side.
At rest what is the average number of breaths per minute?
12 breaths per minute.
Where are the only arteries located that carry deoxygenated blood and what are they called?
Pulmonary Arteries and in the lungs.
Oxygen is picked up by blood in the lungs, what allows oxygen to attach to blood cells?
Haemoglobin
What animal has the largest lungs and heart.
Blue whale
How many times a week and for how long should you engage in aerobic exercise if you intend to better both the respiratory and cardiovascular systems?
Three times a week for 20 minutes.