There is an error in the above model. (a) What is this a model of?
(b) Explain how you would change the model to make it correct

Rue or false siblings look simila rbecause they each have some traits of their parents.

Cells a and b are the same size and shape, but cell a is metabolically quiet and cell b is actively consuming oxygen. oxygen will diffuse more quickly into cell because . b the oxygen molecules inside cell b have a higher kinetic energy b. a its membrane transport proteins will not be saturated c. a the diffusion gradient there is shallowerd. b the diffusion gradient there is steeper

Approximately how many times does an average human heart beat in a lifetime?