7th Grade Science Class Notes – Integumentary System Integumentary System The body system composed of the skin‚ glands‚ hair‚ and nails The largest system in the body Functions of the Skin Protect internal organs Maintain proper temperature Gather sensory information Vitamin D production Three Main Layers of the Skin 1. Epidermis 2. Dermis 3. Subcutaneous Tissue Epidermis Outermost layer Continuously being renewed Thicker in some places (like the thick soles of your feet
Premium Skin
Chapter 6 Osseous Tissue and Bone Structure 1. classifications of bones by shape (1) long bone - long and thin - arm and forearm‚ thigh (femur) and legs‚ palms‚ soles‚ fingers‚ toes (2) flat bone - thin with parallel surfaces - skull‚ sternum‚ rib‚ scapulae (3) sutural bone (Wormian bones) - small‚ irregular bones - between flat bones of the skull (4) irregular bone - complex shapes with short‚ flat‚ notched‚ or ridged surfaces - spinal vertebrae‚ the bones of the pelvis‚ and several
Premium Bone Skeletal system Bone marrow
Title: Organ & Tissue Donation Specific Purpose: To persuade my audience to become organ and tissue donors Central Idea: The waiting lists for organ and tissue recipients are growing‚ while potential donors choose not to donate as a result of myths surrounding the donation process. Intro I. Organ and tissue donation are issues personal to me. A. [personal example] B. [personal example] II. Demand for donor organs already outnumbers the registered donors‚ yet this demand
Premium
The respiratory system is composed of the nasal cavity‚ nostril‚ oral cavity‚ pharynx‚ larynx‚ trachea‚ carina of trachea‚ right main bronchus‚ right lung‚ left main bronchus‚ left lung‚ and diaphragm. These major organs collectively work together to give the body oxygen and eliminate carbon dioxide as we breathe. In order for the respiratory system to be fully capable of function‚ four procedures (pulmonary ventilation‚ external respiration‚ transport of respiratory gases‚ internal respiration)
Premium Endocrine system Blood Kidney
Fetal tissue research is an important aspect of medical research. Fetal tissues can be obtained from many places‚ including hospitals‚ tissue banks‚ and abortion clinics. Conducting fetal tissue research allows us to further our education concerning diseases‚ vaccinations‚ and birth defects. Despite the importance of fetal tissue research‚ it raises many controversies regarding ethical issues. Many people believe that fetal tissue research should be illegal because it goes against their morals
Premium Stem cell Embryonic stem cell Cell
Practical 1 - Investigation into size and scale of microscopic tissues This practical focuses on microscope technique and using graticules and stage micrometers to determine size and scale in biological cells and tissues. Intended learning outcomes By the end of this practical you should be able to: • Use a microscope fitted with an eyepiece graticule and stage micrometer • Calibrate the eyepiece graticule using the stage micrometer • Use the calibrated graticule to determine the actual
Premium Enzyme Lens Telescope
Case Study – Musculoskeletal system 1. Disscuss the role of two electrolytes in musculoskeletal function (175 words) The two electrolytes we have chosen are Calcium and Phosphate. Calcium is the main ion contributing for muscle contraction‚ Calcium flood in and act as a trigger for contraction‚ because as calcium binds to the regulatory protein on act in filaments‚ they change their shape and position on the thin elements‚ (Marieb 2009)‚ The phosphate ion‚ participates in acid base balance‚
Premium Bone
Cardiovascular System (Circulatory) Chapter 2..............................................Lymphatic System (Circulatory) Chapter 3..............................................Respiratory System Chapter 4..............................................Digestive System Chapter 5..............................................Endocrine System Chapter 6..............................................Urinary System Chapter 7..............................................Reproductive System
Premium Blood Heart
LAB REPORT 4 Isolation of genomic DNA from animal tissues Introduction A rapid expansion of DNA analysis in medical‚ biotechnological and basic research has created the need for simple and efficient commercial methods for isolating genomic DNA. Many different methods and technologies are available for the isolation of genomic DNA. In general‚ all methods involve disruption and lysis of the starting material followed by the removal of proteins and other contaminants and finally recovery
Premium DNA Molecular biology Ethanol
Plant tissue culture is a widely used procedure in plant biology in which organism is planted from the explants of the living plants in a nutrient medium under aseptic conditions. There are both advantages and disadvantages of plant tissue culture. Advantages: 1. To produce many copies of the same plants then which may be used to produce plants with better flowers‚ odors‚ fruits or any other properties of the plants that are beneficial to the human beings. 2. To produce plants anytime we want
Premium Plant Organism Species