Questions

The plant cell organelles, "The power house of the cell" mitochondria and the chloroplasts contains their own DNA and ribosomes.

Sales tax is an additional amount of money you pay based on a percentage of the selling price of goods and services that are purchased.

For example, if you purchase a new laptop Rs. 40000 and live in an area where the sales tax is 6%, you would pay Rs.2400 in sales tax.

The short and swift streams running down the Scandinavian mountains have been harnessed for power which also compensates for the absence of coal and oil.

A sponge has many holes but it absorbs water and can hold them in it.

A posted speed limit of 55 mph means that we can drive at a speed of 55 miles per hour(mph) under good conditions in that area. We cannot that speed limit in that area.

The nervous system is the part of an animal that coordinates its actions by transmitting signals to and from different parts of its body.

In vertebrates it consists of two main parts, the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS consists of the brain and spinal cord. The PNS consists mainly of nerves, which are enclosed bundles of the long fibers or axons, that connect the CNS to every other part of the body.

The nervous system has three main functions:

* To collect sensory input from the body and external environment.

* To process and interpret the sensory input.

* To respond appropriately to the sensory input.