Is oxygen dangerous to humans

Answer 1

in high concentrations it can be explosive, you can also get high (and then overdose) on high concentrations

Too much oxygen (O2) over a prolonged period of time can cause lung damage. Another oxygen compound is O3 or ozone. Ozone is poisonous to most organisms and can damage plant and animal tissue. It can cause a variety of respiratory problems.

Answer 2

Oxygen is an essential requirement for all animal life because animal cells need it to break down food molecules and generate energy in a process called cellular respiration. Respiratory systems help animals extract oxygen from the surrounding air or water and enable animals to get rid of the waste gas carbon dioxide.

Answer 3

Oxygen is extremely hazardous in any concentration. Pure oxygen will cause even a small spark to set things on fire that wouldn't burn in normal air. Breathing pure oxygen will dehydrate the lungs, throat and nasal passages and make one susceptible to infection.

Answer 4

It is useful because we can breathe it but only sometimes when taken abundantly it is harmful to life

Answer 5

Oxygen alone by itself Ignited can be very dangerous.