Blood pressure is the pressure against the wall of blood vessels produced by the discharge of blood into them by…
The separation of right and left sides of heart is useful to prevent oxygenated and deoxygenated blood from mixing. Such…
Natural selection can change a species in small ways, causing a population to change color or size over the course…
Brain is the highest coordinating in the body. situated in the cranial cavity of the skull. The bone of cranium…
Spinal cord extends from the medulla oblongata portion of the brain to the lumber region, passing through the neural canal…
Reflexes are our involuntary,unconsciously, automatic response of effectors like muscles and gland to stimuli. Its nervous coordination. Monitored through the…
The right atrium receives blood into the heart. This blood is deoxygenated as it has supplied it’s oxygen to where it is…
DNA copying is important for reproduction. Additional copies of DNA are made during replication, which is necessary for the new…
Genetic drift can be defined as “Random fluctuations in the frequency of the appearance of a gene in a small…
Living being can be distinguished from non-living things due to their organised structure and life process like nutrition, respiration, transportation,…