Passes through their lunges
Oxygen and other gases pass through the capillaries.
oxygen
it passes oxygen and nutrients
Nutrients pass through the placenta into the baby through the umbilical cord.
diffusion
yes
oxygen
Although the cell wall is tough, many materials, including water and oxygen, can pass through easily.
A developing baby gets its oxygen from the blood traveling through the umbilical cord.
Oxygen, Carbon Dioxide and Water
oxygen and carbon dioxide.
No.