Question

What are complex substances ?
what are villi ?
what are pesudopodia?

Answer 1

Answer:

1. Complex substances - a chemical substance formed by the combination of several simple substances. ... Salts oxides,bases or alkali, acids are used by us as a complex substances, and also many organic compounds, such as alcohols, paraffins, aldehydes, etc.
2. Villus, plural villi, in anatomy any of the small, slender, vascular projections that increase the surface area of a membrane. Important villous membranes include the placenta and the mucous-membrane coating of the small intestine.
3. pseudopod or pseudopodium (plural: pseudopods or pseudopodia) is a temporary arm-like projection of a eukaryotic cell membrane that are developed in the direction of movement. Filled with cytoplasm, pseudopodia primarily consist of actin filaments and may also contain microtubules and intermediate filaments.

Answer 2

complex substances are those which are not easily to digest .

villi are finger like structure helps in absorption.

pseudopodia is a arm like structure form in the direction of movement of eukaryotic cell

Explanation:

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