Circulations - mammals vs frog

Question 1

Mammal circulation

Answer 1

• double circulation
• O2and CO2 transported separately
• oxygenated and deoxygenated don’t mix

Question 2

“If there is no resurrection of the dead then not even Christ has been raised”

Answer 2

• blood transported to lungs and body together - partially oxygenated
• oxygenated blood only separates when returning from the lungs
• spiral valve separating 02 and C02
  ref. difference structure

Question 3

Effectiveness of frog circulation

Answer 3

• both effective however frog - less
• less O2 available but effective for frogs needs
  lower metabolism
  heart beat faster to compensate
  frog oxygen to skin
  circulation may limit due to size

Question 4

Effectiveness of mammalian circulation

Answer 4

Max 02 available
higher metabolic rate
uses metabolism to maintain body temp