Exchange surfaces and ventilation really bad Quiz!

Question 1

Name a reason why organisms do NOT need an exchange system.

Accepted Answer

Organism has a high surface area to volume ratio, A double negative makes a positive

Question 2

Small surface area-volume ratio of an organisms surface means higher need for a exchange system

Accepted Answer

Well, yes., That question is too long

Question 3

Use of tracheal fluid at the end of trachea + tracheoles occurs in what kind of organisms.

Accepted Answer

Insects

Question 4

In bony fish which two mechanisms controls water passing over their gills.

Accepted Answer

Operculum and mouth

Question 5

Does one breath manually, or simply photosynthesis?

Accepted Answer

Yes, according to source 4, No. You’re dead.

Question 6

What is the purpose of ciliated epithelium.

Accepted Answer

Utterly pointless., Secretes mucus to trap dust + bacteria - protects lungs.

Question 7

Path of air to the alveoli. Which one

Accepted Answer

Mouth-throat-windpipe-smaller windpipe-weird air holes., Larynx-trachea-bronchus-bronchioles-alveoli

Question 8

Specialised exchange surfaces have

Accepted Answer

Rather Thin layer of cells. Usually squamous epithelium.

Question 9

How do muscles act during expiration

Accepted Answer

Diaphragm moves upward and rib cage down and inward., Diaphragm relax. external intercostals relax. Elastic rests.

Question 10

Role of goblet cells.

Accepted Answer

To produce and secrete mucus

Question 11

What’s expiratory reserve volume?

Accepted Answer

Breathing, just more intense., Extra amount of air that can be forced out lungs in exercise

Question 12

How do bony fish maintain a steep concentration gradient for exchange.

Accepted Answer

Water flowing over gills and blood within flow oppositely.

Question 13

Along thorax and abdomen of insects what are small openings called

Accepted Answer

Spiracles, It’s 300 mouths.

Question 14

What’s tidal volume?

Accepted Answer

Usually 500cm^3, Volume of air that moves into and out of lungs at rest

Question 15

What is used to measure breathing patterns and lung volumes.

Accepted Answer

Spirometer

Questions 15