External Parts of Human Body
The external parts of human body are connected to the five major sense organs which tell us about our surroundings.
The external parts of human body are connected to the five major sense organs which tell us about our surroundings.
The human body is more like an entire factory, that produce from the raw materials in the environment, what we need to be strength and good health.
The Human heart is a hollow, muscular organ that pumps blood through the blood vessels by repeated, rhythmic contractions.
The human eye is the organ of vision. It has a complex structure consisting of a transparent lens that focuses light on the retina.
The sense of touch is distributed throughout the body. Nerve endings in the skin and other parts of the body transmit sensations to the brain.
The nose is the organ responsible for the sense of smell. The cavity of the nose is lined with mucous membranes that have smell receptors
The matter may be understood as anything that has a weight and mass. It is as the very origin of anything you may know to exist, from the microscopic objects to the entire earth and universe.
Weathering is the process of the Soil formation resulting from the break-down of the parent materials.
There are four main component of soil, which are: those resulting from the-‘ breakdown of rocks, organic matter, water and air.
Soil pH is a measure of the acidity vs the alkalinity of the soil, and determines the capacity of that soil to exchange nutrients with plants growing in it.
Soil fertility is defined as the ability of the soil to produce and sustain high crop yields indefinitely.
Pollution can be defined as the introduction by man into the environment of substances that can adversely affect the health survival or activities
Causes and effects of Environmental Pollution in Zambia Read More »