The correct answer among the choices provided is option A. Lung capillaries are responsible for exchanging carbon dioxide for oxygen from the air. Blood that comes from the heart gets oxygen from the alveoli. The carbon dioxide in the blood goes into the alveoli at the same time.
Answer:
A. The nervous system collects and responds to information about
the internal and external environment.
Explanation:
A scientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas. They are each made of matter. Some are compounds and some are elements. They all contain atoms. [ -best describe all of the materials he is using in the investigation. ]
Answer;
Potential energy
Explanation;
-An object can store energy as the result of its position.This stored energy of position is referred to as potential energy.
-The energy an object has because of its position, rather than its motion. An object held in a person's hand has potential energy, which turns to kinetic energy; the energy of motion, when the person lets it go, and it drops to the ground.
