Anatomy &Physiology Word Scramble
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Question | Answer |
define anatomy | Study of body parts visible to the naked eye, such as heart or bones |
define physiology | the study of the function of body parts and the body as whole. |
Explain how anatomy and physiology are related | Parts of your body form a well-organized unit, and each of those parts has a job to do to make the body operate as a whole. Structure determines function |
Name the levels of structural organization that make up the human body and explain how they are related | Atoms, cell, tissue, organ, organ system organism. |
Organ system: integumentary system | For external body covering, sweat and oil glands, location of cutaneous. SKIN |
Organ system: skeletal system | protects & supports body organs, provides framework for muscles, blood cells are formed within bone, stores minerals |
Organ system: muscular system | movement, facial expression,posture, produces heat |
Organ system: Nervous system | fast acting control of the body, responds to internal and external change by activating muscles and glands. |
Organ system: Endocrine system | glands secrete hormones that regulate certain processes in cells like: growth, reproduction, nutrient use |
Organ system:Cardiovascular system | Blood Vessels transport blood which carry: oxygen, carbon dioxide, waste. The heat pumps blood. |
Organ system: Lymphatic system | picks up fluid leaked from blood vessels and returns it o blood. Disposes of waste in lymphatic stream, involved in Immunity |
Organ system: Respiratory System | Keeps blood constantly supplied with oxygen, and removes carbon dioxide. Gas exchanges occur through the lungs |
Organ system: Digestive System | Breaks down food into absorbable units that enter the blood for distribution to body cells. What ever is not used is disposed as feces. |
Organ system: Urinary System | Eliminates nitrogenous waste from body. Regulars water, electrolytes. Acid base balance of the blood |
Organ system: Reproductive System | Production of offspring. Males: testes-produce sperm and male hormone (Estrogen) Females: ovaries-produce eggs and female sex hormone (testosterone) |
The functions that humans must perform to maintain life | Movement, Digestion, Metabolism, Reproduction, Growth |
Metabolism | Breaking down larger structures into simpler building blocks, making larger structures from smaller ones |
Define Homeostasis | The body's ability to maintain relatively stable internal conditions. |
Importance of Homeostasis | A body's normal balance system |
Negative feedback | Includes most homeostatic control mechanisms. Shuts off the original stimulus, or reduces its intensity. Works like a household thermostat |
Anatomical Planes: Saggital Section | Divides the body to left and right (mid line) |
Anatomical Planes: Frontal (Coronal Section) | Divides the body into anterior and posterior |
Anatomical Planes: Transverse section | cuts the body into inferior and superior |
Body Cavities: Dorsal Body Cavity | BACK Cranial Cavity & Spinal Cavity |
Body Cavities: Ventral Cavity | FRONT Thoracic Cavity & Abdominal Cavity |
The parts of an atom | Protons(+) Neutrons Electrons |
Isotope | Have the same # of protons, Vary in # of neutrons. |
96% of the body is composed of which elements | Carbon (C) Oxygen (O) Hydrogen (H) Nitrogen (N) |
Importance of water | Most abundant inorganic compound, Vital properties: high heat capacity, Polarity/solvent properties, chemical reactivity, cushioning |
How is the molecule held together | Hydrogen Bonds and so is DNA |
Calcium | Ca |
Carbon | C |
Hydrogen | H |
Oxygen | O |
Nitrogen | N |
Sodium | Na |
Phosphorous | P |
3 types of bond | Covalent, Ionic, Chemical |
Covalent Bonds | shared |
Ionic Bonds | Charged |
Hydrogen Bonds | Mixed |
4 organic molecules that make up the human body components | Carbohydrates, lipids, Proteins, & Nucleic Acid |
Cell | Basic unit of life |
Organelle | Metabolic machinery of the cell, "little organs" that perform functions for the cell |
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