HELP PLZ Where do your blood vessels receive oxygen from? (A pair of football-sized organs)

A) Heart

B) Skin

C) The Air

D) Lungs

During the past few weeks or months, have you noticed any exercises that have become too easy for you? do you think you need to increase the intensity in any of the three exercise areas in your workouts? evaluate your exercise progress in the three exercise areas (cardiovascular, resistance, and flexibility) and list what modifications, if any, you may need to make in your exercise routine.

An electric shock can result in anything from a slight tingling sensation to immediate cardiac arrest. the severity depends on the amount of current flowing through the body, the current's path through the body, the length of time the body remains in the circuit, and the current's

Some traits such as the color of your eyes and the shape of your nose are controlled by and may affect your health and well-being