Answer:
IgM, IgA, IgE, IgD and IgG
Explanation:
IgM functions in the initial response to offence.
IgA is important for protection of mucus membranes such as in saliva, sweat, tears and gastric fluid.
IgE is active during allergic reactions and defense against infections.
IgD is found on the surface of lymphocytes and is activated upon contact with antigens.
IgG forms part of the secondary response to antigen and is also responsible for newborn protection.
Answer:
B. only the animals living in water
Answer: Osmosis is the movement of water or other solvent through a plasma membrane from a region of low solute concentration to a region of high solute concentration, tending to equalise the concentrations of the solutes. Osmosis is passive transport, meaning it does not require energy to be applied.
Examples of osmosis in daily life include plant cells soaking up water, skin soaking up water, and slugs reacting to salt.
The Fish does not give off Carbon Dioxide
Answer:
All cells except sex cells
Explanation:
