Biology Key Stage 3

Contents

Structure and Function of Living Organisms

Organism

Alive

MRS GREN

Cells

Multicellular Organisms

• Animal Cells
• Plant Cells

Unicellular Organisms

• Bacteria
• Amoeba
• Euglena

Cell Structure

• Chloroplast
• Cell Membrane
• Cell Wall
• Cytoplasm
• Mitochondrion
• Nucleus
• Vacuole

Specialised Cells

Specialised Animal Cells

• Muscle Cell
• Nerve Cell
• Ciliated Epithelial Cell
• Red Blood Cell
• White Blood Cell
• Sperm Cell
• Egg Cell

Specialised Plant Cells

• Palisade Cell
• Spongy Mesophyll Cell
• Guard Cell
• Xylem Cell
• Root Hair Cell

Tissues

Organs

Organ Systems

Skeletal System

• Making Blood Cells

Muscular System

• Antagonistic Muscles

Digestive System

Organs in the Digestive System

• Mouth
• Oesophagus
• Stomach
• Small Intestine
  • Villi
• Large Intestine
• Rectum
• Anus

Nutrition

• Diet
• Balanced Diet
• Carbohydrate
• Lipid
• Protein
• Mineral
• Vitamin
• Fibre
• Obesity
• Starvation
• Deficiency Disease

Digestion

• Enzymes
• Absorption

Gas Exchange Systems

Reproductive System

Female Reproductive System

• Ovary
• Oviduct
• Uterus
• Cervix
• Vagina

Male Reproductive System

• Testes
• Sperm Duct
• Reproductive Gland
• Penis

Reproduction

• Intercourse
• Ejaculation
• Fertilisation

Health

Material Cycles and Energy

Photosynthesis

Cellular Respiration

Interactions and Interdependencies

Relationships in an Ecosystem

Genetics and Evolution

Inheritance, Chromosomes, DNA and genes