*Question*
Q: What is the respiratory pigment of almost every vertebrate? Read this paragraph and choose the correct option from the provided answers: Choices: - insulin - plasma - iron - hemoglobin A:
**Answer**
hemoglobin

*Question*
Q: At the anode, liquid chloride ions are oxidized to what? Read this paragraph and choose the correct option from the provided answers: In a Down's cell, the liquid sodium ions are reduced at the cathode to liquid sodium metal. At the anode, liquid chloride ions are oxidized to chlorine gas. The reactions and cell potentials are shown below. Choices: - elemental gas - nitrogen gas - Heavy Gas - chlorine gas A:
**Answer**
chlorine gas

*Question*
Q: Lymph vessels, like veins, have what objects that prevent the backflow of fluid? Read this paragraph and choose the correct option from the provided answers: Choices: - pumps - pores - fibers - valves A:
**Answer**
valves

*Question*
Q: What is the diffusion of water known as? Read this paragraph and choose the correct option from the provided answers: Osmosis is the special case of the diffusion of water. It's an important means of transport in cells because the fluid inside and outside cells is mostly water. Water can pass through the cell membrane by simple diffusion, but it can happen more quickly with the help of channel proteins. Water moves in or out of a cell by osmosis until its concentration is the same on both sides of the cell membrane. Choices: - evaporation - electrolysis - hemostasis - osmosis A:
**Answer**
osmosis