Assertion: circulatory system's cell | /r/PartOf | the walls of the capillaries
Facets:
Source sentences:
text: For example, the cells making up the walls of the capillaries in the brain bar the passage of many substances that might injure the brain cells, and the capillaries in the placenta also act as a barrier against substances that might be harmful to the developing fetus.
text: For example, the cells making up the walls of the capillaries in the brain bar the passage of many substances that might injure the brain cells, and the capillaries in the placenta also act as a barrier against substances that might be harmful to the developing fetus.
text: For example, the cells making up the walls of the capillaries in the brain bar the passage of many substances that might injure the brain cells, and the capillaries in the placenta also act as a barrier against substances that might be harmful to the developing fetus.
text: For example, the cells making up the walls of the capillaries in the brain bar the passage of many substances that might injure the brain cells, and the capillaries in the placenta also act as a barrier against substances that might be harmful to the developing fetus.