Gas Exchange 1
What produces mucus?
Goblet cells
What's the name of the connective tissue that helps to keep airways open?
Cartilage
True or false: The xylem is made from dead cells
True
True or false: Arteries have a wider lumen than veins
False
In second grade, which USA president punched his music teacher in the face?
Trump
________ provide blood to the alveoli
Capillaries
What can contract to change the size of airways?
Smooth muscle
Name two adaptions of xerophytes
- Hairy leaves/curled leaves/succulents/leaf loss/thick waxy cuticle/sunken stomata/reduced number of stomata/reduced leaves
Name two reasons why water is great for transport in mammals
Great solvent (polar)
does not dissolve polar molecules
High specific heat capacity
Who is known as the ‘One Punch Man’?
Saitama.
What appears "glassy" when viewed under the microscope?
Cartilage
Trachea -> Bronchi -> ______ -> Alveoli
Bronchioles
What's the difference between the symplast and the apoplast pathways?
- Symplast is through the cytoplasm.
- Apoplast is through/along the cell walls
Vena Cava
The shortest war in history was between Zanzibar and the UK. How long did the war last?
38 minutes
Breathing brings in air high in _______, low in carbon dioxide
Oxygen
What cells have tiny hairs which move mucus?
Ciliated epithelium
Name one difference between the xylem and the phloem
AVP
Whats the difference between systematic circulation and pulmonary circulation
AVP
What's the hardest part of the human body?
Tooth (enamel)
Oxygen ________ from alveoli into the blood
Diffuses
What happens to the air before it reaches the lungs?
It is warmed
Why does the xylem cell wall contain lignin?
Adds strength or impermeable to water
How are capillaries adapted for substance exchange?
One cell thick
Close to tissues
Form capillary bed
The largest living single organism on Earth is a what?
A fungus