'Epidermal cells' diaporamas de présentation

2020 Anatomy & Physiology (B & C)

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The Immune System

The Immune System. What are the major functions of the Immune System?. Regulation and Protection Fight disease Prevent future infections. What are the major components of the immune system?. Lymphatic System Leukocytes (White Blood Cells). What is a pathogen?. Any disease causing agent

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Integumentary Diseases

Integumentary Diseases. Acne. Acne. Description

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Insect Sensory System

Insect Sensory System. Lecture 15. How insects perceive the world. chemical, tactile. visual. visual. chemical. chemical. chemical, tactile. acoustic. tactile. How insects communicate with other organisms. Vision. Compound eyes Ocelli Stemmata Other visual receptors.

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BUNGA

BUNGA. (FLOS). Hery Purnobasuki. - Konsep bunga ? ? tidak ada fosil. - Homolog dengan pucuk vegetatif dan daun hijau. - Berkembang dari sistem cabang ?. - Dipandang sebagai suatu batang atau cabang pendek yang berdaun dan telah mengalami perubahan bentuk . STRUKTUR BUNGA.

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Chapter 11 - PLANT PROCESSES

Chapter 11 - PLANT PROCESSES. ENERGY PROCESSING IN PLANTS. Materials For Plant Processes. To survive, plants need food, water, and oxygen. Roots absorb water which travels inside xylem cells to all parts of a plant .

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Chapter 23

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Chapter 5 Skin and the Integumentary System

Chapter 5 Skin and the Integumentary System. 6-2. Epidermis. lacks blood vessels. keratinized. thickest on palms and soles (0.8-1.4mm). melanocytes provide melanin. rests on basement membrane. stratified squamous. 6-4. Layers of Epidermis. stratum corneum (keratin)

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Regulation of Body Temperature

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ROOT SYSTEMS

ROOT SYSTEMS. ROOT ORGANIZATION. Roots systems are usually either: Tap root (dicots) or Fibrous root (monocots) some plants may have both; e.g. clover. Root Anatomy (Macro). Root hairs - major site of water/nutrient absorption - located in zone of cell maturation

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Life Chapter 12 Part 1

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Leaf Structure

Leaf Structure. Why is a leaf like a sandwich?. Layers of a Leaf. upper epidermis. contains cells which secrete a waxy substance called a cuticle which prevents water loss. phyll. mesophyll. contains vascular tissue (veins) and 2 types of cells containing chloroplasts. lower epidermis.

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Figure 4.12 Electron micrographs of stomata; (B) Stomatal complexes of Carex

Figure 4.12 Electron micrographs of stomata; (B) Stomatal complexes of Carex . Figure 4.12 Electron micrographs of stomata; (C) Onion epidermis . Figure 4.14 The radial alignment of the cellulose microfibrils in guard and epidermal cells.

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Plant Structures and Growth

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Chapter 5

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Light-Emitting Suckers in an octopus

Light-Emitting Suckers in an octopus. Sonke Johnsen, Elisabeth J. Balser, Edith A. Widder. Brandon Bell Biol 457 April 21, 2004. Bioluminescence. Characteristics Definition: Production of light by a chemical reaction within an organism Often found in squids and cuttlefish

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Chapter 23: Roots, Stems, and Leaves

Chapter 23: Roots, Stems, and Leaves. The three principle organs of seed plants. Roots absorb water and dissolved nutrients a nchor plants in the ground h old plants upright through wind and rain Stems support the plant t ransports nutrients to the rest of the plant

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The Integumentary System

The Integumentary System. Integumentary System. The Body Covering Includes: Skin, Nails & Hairs Skin A.K.A. C utaneous Membrane Functions : Body Temperature R egulation : Sweating at surface and adjusting blood flow in dermis.

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Accessory Organs of the Skin

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