Which of the following scenarios would be an example of diffusion

i would say the best answer is d

A , when you inhale oxygen into lungs.

Explanation:

this is called cellular respiration. and it states oxygen which is a gas.

definition of diffusion- net movement of gas particles from a higher concentration to a lower concentration in random movement caused by kinetic energy

biology is the study of life. it is the study of living organism.

you know that this symptom is misleading and quite often is related to: heart attack

a heart attack is a condition that occurs when the blood flow that transports oxygen to the heart muscle is damaged or cut off completely. the coronary arteries that supply the heart muscle with blood flow can be blocked by the accumulation of plaque. also, when the plaque within the heart artery breaks, it creates blood clot that can also hinder the blood flow. men that are over 45years of age and women that are over 55years of age are at risk of having a heart attack. the symptoms of a heart attack include chest discomfort, chest pain, coughing, and shortness of breath.