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Unit 9 Animal System
Unit 9 Learning Statements
| Question | Answer |
|---|---|
| Skeletal System | Provides structure and support, allows for movement, protects vital organs, creates blood cells; bones |
| Muscular System | Provides movement and allows for reaction to environmental conditions; smooth, skeletal, & cardiac |
| Circulatory System (Cardiovascular) | Transports needed materials (oxygen, glucose, waste products, disease fighting cells) to and from body cells; heart, arteries, veins, capillaries |
| Respiratory System | Moves oxygen into the body into the body and removes carbon dioxide and excess water from the body; lungs, bronchial tubes, alveoli |
| Digestive System | Breaks down food into usable molecules, provides a location for glucose molecule absorption, and rids the body of solid waste ; provides nutrients to the cells, stomach , intestines, liver, gall bladder |
| Excretory System | Collects and rids the body of cellular waste in liquid form, kidneys, bladder, nephrons |
| Nervous System | Receive environmental information and directs a response if necessary; helps maintain homeostasis by detecting stimuli using nerve cells called neurons; control center for the body; brain, spinal cord, neurons |
| Immune System (aka Lymphatic) | Eliminate pathogens that attack body cells; protect the body from harmful materials by developing antibodies, lymph nodes, spleen, white blood cells fight pathogens |
| Endocrine System | Regulate homeostasis through release of hormones from glands, pituitary, hypothalamus, thyroid |
| Integumentary System | Protection for the body, temperature regulation, and prevents the body from drying out, skin, hair, nails |
| Reproductive System | Specialized organs for continuation of a species, vagina, uterus, ovaries, penis, testicles |
| CTOOO | Levels of Organization - Cells, Tissues, Organs, Organ Systems, Organisms |
| Virus | Must have a host cell to reproduce; contains nucleic acids wrapped in a protein coat; two types of reproduction cycles: lytic - short time to symptoms, lysogenic - long time until symptoms; destroys cells and does not contain organelles |
| Bacteria | prokaryotic organisms, 99% are beneficial by helping to digest food, supplying missing enzymes to organisms, fixing nitrogen in soil to a useable form for plants |
| Bacteriophage | type of virus that attacks bacteria; begins by attaching to the bacterium and injecting its nucleic acid; in the lysogenic cycle, the DNA replicates but proteins are not transcribed or translated; during the lytic cycle the viral DNA is used to make proteins which lyse or burst to destroy the cell |
Created by:
YoungbloodScience
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