Category: Lessons
SS2 Biology – Respiratory System 2
CONTENT Respiratory System in Mammals: Mechanism of the Respiratory System Process of Inhalation / Inspiration in Man Characteristics Process of Expiration in Man Internal Aerobic Respiration Respiration in Plants (Stomata
SS2 Biology – Respiratory System
CONTENT Definition / Phases of Respiration Conditions Necessary for Respiration Characteristics of the Respiratory Surface Types of the Respiratory System Mechanism of the Respiratory System in Lower Animals & Higher
SS2 Biology – Transport System in Higher Plants
TRANSPORT SYSTEM IN HIGHER PLANTS In simple unicellular plant materials are exchanged by a simple diffusion process between the plants and their aquatic environment. Hence, there is no need for
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:
SS2 Biology – Transport System
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
SS2 Biology – Digestive System 2
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
SS2 Biology – Digestive System 1
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
SS2 Biology – Mammalian Teeth
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