Discuss cell surface transport under the following subheading: a structure (i) constituents (i) micro villi (iii) cilia and sperm tail
Answers
Transport in organisms is meant for various functions some of the functions include the following ;transportation and distribution of heat around the body .
Another function of transport in organisms is to transport digested food to all parts of the body for absorption .transport also distributes oxygen through the body .
The main medium of transport in the body is blood ..surface transport takes place in certain organisms .here blood flows on the surface and not in vessels
(i) a structure: a microvillus is usually covered with a plasma which is a membrane.
(ii) constituents: the constituents are those where it is enclosed in. It has cytoplasm and microfilaments.
(iii) microvilli: it comprises of a huge bundle of cross-linked filaments which will be the base of any structure.
(iv) cilia and sperm tail: both the sperm tails and the cilia are the ones examined in an electron microscope from Polynesians.