Body cells surrounding capillaries usually have a ____.

A) high oxygen concentration
B) low oxygen concentration
C) low carbon dioxide concentration
D) high nutrient concentration
E) low concentration of waste products

Capillaries

Tiny blood vessels that connect arteries and veins, facilitating the exchange of water, oxygen, carbon dioxide, and many other nutrients and waste substances between blood and surrounding tissues.

Oxygen Concentration

The percentage of oxygen in a mixture of gases, particularly in the air or a therapeutic environment, which is crucial for various biological and industrial processes.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon-containing materials and by respiration. It is absorbed by plants in photosynthesis.