Yah dummy.
Oxygen passes into the cells from caps and Carbon Dioxide out of the cells into the caps
Oxygen and other gases pass through the capillaries.
Blood passes through the capillaries, which provide a passage way for the blood from the arteries to the veins. The tiny, thin walled capillaries also allow for the exchange of gases through the tissue. You can read more about capillaries at fi.edu
All blood vessels allow gases, such as oxygen and nitrogen, as well as liquids, enzymes, etc, to pass through them. Food particles, once absorbed by the small intestines, become part of this process.
Both red and white blood cells pass through the capillaries.
because they are too big to pass through the capillaries
cholesterol
Capillaries have spaces between endothelial cells to allow for the exchange of gases, nutrients, and waste products between the blood and surrounding tissues. This structure, known as intercellular clefts, facilitates the transfer of substances through the capillary wall.
Gases pass through alveoli via the process of diffusion. Oxygen molecules move from the alveoli into the bloodstream, while carbon dioxide molecules move from the bloodstream into the alveoli to be exhaled. This gas exchange occurs due to the difference in concentration gradients of oxygen and carbon dioxide between the alveoli and the capillaries.
Nutrients pass through the capillaries (a type of blood vessel) in the small intestine.
Capillaries
The size of the capillary is smaller than the red blood cells. The exact reason for this is not known. The red blood cells get folded when they pass through the capillaries. This phenomena buy time for the blood to flow through the capillaries, probably. Secondly it will create larger surface area of total number of capillaries to flow the same amount of blood. You have better exchange of gases through larger surface area.
Capillaries