SS2 Biology – Circulatory System
CONTENT Protective Function of Blood Circulatory System in Mammals Blood Vessels and the Heart PROTECTIVE FUNCTION OF BLOOD The blood performs two basic functions in mammals and these are:
CONTENT Protective Function of Blood Circulatory System in Mammals Blood Vessels and the Heart PROTECTIVE FUNCTION OF BLOOD The blood performs two basic functions in mammals and these are:
CONTENT Transport system Need for transport system Relating transport in lower organisms to that in higher organism Transport material in animals and plants Diverse mechanisms of transportation in some organisms
CONTENT VERTEBRATES Digestion in Birds Digestion in Rabbits DIGESTION IN BIRDS Birds do not have teeth but horny beak which they use for feeding. In many birds, the
CONTENT INVERTEBRATES Feeding in Hydra Digestion in Planaria Digestion in Earthworm Digestion in insects (Grasshopper) VERTEBRATES Digestion in Birds Digestion in Rabbits FEEDING IN HYDRA Hydra feeds
CONTENT Types of teeth Structure of a tooth Dentition and dental formula Adaptation of dentition to mode of feeding TYPES OF TEETH Human beings have two sets of teeth
SUPPORTING TISSUES IN PLANTS Contents Axial and Appendicular Skeleton Supporting Tissues in Plants The needs for supporting tissues in plants are for: definite shape; strength; rigidity; resistance against external
TISSUE AND SUPPORTING SYSTEM Contents Introduction Forms of Skeleton Types of Skeleton Functions of the Skeleton Support in Vertebrates INTRODUCTION To carry out life processes, all organisms (plants and
In today’s class, we will be talking about reproduction. Enjoy the class! Reproduction Reproduction is the ability of living organisms to produce offspring’s i.e. new individuals of their kind
In today’s class, we will discuss Conservation of natural resources. Conservation of Natural Resources Meaning of conservation Conservation is the diligent and wise use of the earth’s resources to
In this class, we will discuss adaptation. Enjoy the class! Adaptation Adaptation is defined as the ability of an organism to live successfully in a particular habitat as a result