ch42

Question 1

fiks law

Answer 1

states that the rate at which diffusion occurs is proportional to the concentration gradient (easier in small animals)

Question 2

spiricle

Answer 2

external repository opening on insects.

Question 3

Three things that use counter current

Answer 3

fish girls for O2
whale tongue for heat in blood
loop of henle to obtain proper osmolarity

Question 4

tracheas

Answer 4

when a larger inscets wing moves up and down it changes with size (O2 intake )

Question 5

alveoli

Answer 5

gas exchange loaction (smallest)

Question 6

positive pressure

Answer 6

air pushed into the lungs (frog)

Question 7

negitive pressure

Answer 7

air pulled into the lungs(human)

Question 8

what facilitates the movement of oxygen(on hemoglobin)

Answer 8

the partial pressure of the area around

Question 9

cooperative binding

Answer 9

Starts slow then once one goes it triggers a chain reaction

Question 10

Bohr shift

Answer 10

Hemoglobin gives off more oxygen (shift right) when the Ph lowers

Question 11

what happens to the curve when temperature rises

Answer 11

it also shifts right similar pehnomenon to the bohr shift

Question 12

why is fetal hemoglobin is shifted left

Answer 12

is allows it to take up more oxygen which promotes growth

Question 13

myoglobin

Answer 13

found in muscle and stores O2 (high amounts in whales and fast swimming fish)