1.

The human body contains a large number of cells A which are very long and branched, and look like electric wires. The longest branch of this cell is B whereas there are many small branches C. Any two A cells do not join to one another completely in the human body. There is a microscopic gap D between every pair of adjacent A cells through which electric impulses can pass by the release of a chemical substance. (a) What are cells A ? (b) What is the name of (i) branch B, and (ii) branches C ? (c) What is the microscopic gap D is known as ? (d) What is the function of cells like A in the human body ? (e) The cells A are of three types. Name the three types.

Answer»

The human body contains a large number of cells A which are very long and branched, and look like electric wires. The longest branch of this cell is B whereas there are many small branches C. Any two A cells do not join to one another completely in the human body. There is a microscopic gap D between every pair of adjacent A cells through which electric impulses can pass by the release of a chemical substance.

(a) What are cells A ?

(b) What is the name of (i) branch B, and (ii) branches C ?

(c) What is the microscopic gap D is known as ?

(d) What is the function of cells like A in the human body ?

(e) The cells A are of three types. Name the three types.



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