Urea Is Passively Reabsorbed Down the Osmotic Gradient Created by Active

question 177

True/False

Urea is passively reabsorbed down the osmotic gradient created by active Na⁺ reabsorption.

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Definitions:

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing baby while removing waste products.

Dendritic Cells

Immune cells that process antigen material and present it on the cell surface to the T cells, functioning as messengers between the innate and adaptive immune systems.

Blood Typing

A method to determine an individual’s blood group, important for safe blood transfusions and understanding disease risk.

Antigens

Substances that trigger an immune response, prompting the production of antibodies by the body.