ARTERIES, CAPILLARIES AND VEINS
STRUCTURE AND FUNCTION OF ARTERIES, CAPILLARIES AND VEINS What are Arteries? Arteries carry blood away from the heart. They carry… Read More »ARTERIES, CAPILLARIES AND VEINS
DISEASES AND DEFECTS OF CIRCULATORY SYSTEM
Thrombosis Formation of a clot in the blood vessels is called thrombosis. Coronary thrombosis is the most common. It is… Read More »DISEASES AND DEFECTS OF CIRCULATORY SYSTEM
STRUCTURE AND FUNCTION OF THE HEART
The heart has four chambers: Two artria (auricles) and two ventricles. The left and right sides of the heart are… Read More »STRUCTURE AND FUNCTION OF THE HEART
TRANSPORT IN ANIMALS
The Circulatory System Large and complex animals have circulatory systems that consist of tubes, a transport fluid and a means… Read More »TRANSPORT IN ANIMALS
FACTORS AFFECTING TRANSPIRATION – FULL DETAILS
The factors that affect transpiration are grouped into two. Environmental and Structural Factors Cuticle Environmental factors Temperature High temperature increases… Read More »FACTORS AFFECTING TRANSPIRATION – FULL DETAILS
IMPORTANCE OF VITAMINS, MINERAL SALTS, ROUGHAGE AND WATER IN HUMAN NUTRITION VITAMINS
These are organic compounds that are essential for proper growth, development and functioning of the body. Vitamins are required in… Read More »IMPORTANCE OF VITAMINS, MINERAL SALTS, ROUGHAGE AND WATER IN HUMAN NUTRITION VITAMINS
DENTAL DISEASES
COMMON DENTAL DISEASES – Carries, Causes, Treatment & Periodontal Diseases Dental Carries Dental carries are the holes or cavities that… Read More »DENTAL DISEASES
TYPES OF MAMMALIAN TEETH
TYPES OF MAMMALIAN TEETH Mammals have four kinds of teeth The incisors are found at the front of the jaw… Read More »TYPES OF MAMMALIAN TEETH
ENZYMES – FULL EXPLANATION
ENZYMES – FULL EXPLANATION Enzymes are biological catalysts that increase the rate of chemical reaction in the body. They are… Read More »ENZYMES – FULL EXPLANATION
NUTRITION IN ANIMALS – HETEROTROPHISM
NUTRITION IN ANIMALS – HETEROTROPHISM Meaning and Types of Heterotrophism This is a mode of nutrition whereby organisms feed on… Read More »NUTRITION IN ANIMALS – HETEROTROPHISM