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Sookdeo-Human Body
| Question | Answer |
|---|---|
| Skeletal System Function | 1.Gives shape & support to your body 2.Protect internal organs 3. Major muscle are attached to bones 4. Blood cells are formed in the center of many 5.Calcium and phosphorus stored in bones |
| Major Structure of the Skeletal System | Bones, joints & ligaments |
| joints | a place where bones meet |
| cartilage | cushion between two bones, helps reduce friction and allows bones to move smoothly |
| Muscular System Function | 1.Make all your movements possible 2.Provide force to move, relax, contract 3. Energy is used and work is done |
| Voluntary Muscles | muscles you control Ex: face, hands, arms, legs |
| Involuntary Muscles | not able to control consciously Ex: heart, stomach, intestines |
| Three type of muscles | smooth, cardiac and skeletal |
| Functions of the Integumentary System (Skin) | Protects internal organs, sensory organ, controls body temperature,produce vitamin D & gets rid of waste |
| Cancer | uncontrolled growth of mutated cells |
| Melanin | Pigment that protects your skin and gives you color |
| Circulatory System Function | Carries blood through the body and removes waste |
| Parts of the Circulatory System | Heart,blood cells, & blood vessels (veins, arteries &capillaries) |
| The heart | A muscle; 2 atrium that receives blood; 2 ventricles that pump blood out of the heart |
| Arteries | Artery-Blood vessels that carry blood away from the heart. |
| Veins | Blood vessels that carry blood back to the heart |
| Capillaries | very small blood vessels that connect arteries and veins |
| Function of the Respiratory System | The main function is to supply the body with oxygen and remove carbon dioxide waste from the body. |
| Path of the Respiratory System | 1. Air enters the nose & mouth. 2. Pharynx 3. Larynx 4. Trachea 5.Bronchi 6. Lung 7. Alveoli (where gases exchange) |
| Function of the Digestive System | Breaks down food into nutrients that is used by the body |
| Parts of the digestive tract | mouth, esophagus, stomach, small intestine, large intestine, rectum and anus |
| Accessory organs for the digestive system | tongue, teeth, salivary glands, liver, gallbladder, and pancreas |
| Peristalsis | muscle contractions that move food through the digestive tract |
| Bacteria in digestion | Feed on undigested materials Make Vitamin K & two B vitamins |
| Functions of Excretory System (Urinary) | Gets rid of waste from the blood |
| Organs of the Excretory System | Two kidneys (filter blood), ureter, bladder, urethra |
| Function of the Nervous System | The nervous system allows your body to adjust to changing stimuli. |
| Central Nervous System | Made up of the brain and spinal cord |
| Peripheral Nervous System | Made up of the nerves that travel through the body |
| Major organ of the nervous system | axon & dendrite (nerve cell; brain:cerebrum (thinking), cerebellum (coordination), brainstem (functions that keep you alive), and spinal cord where nerves send signals to the body. |
| Stimulus | Any internal or external change that causes an organism to respond |
| Homeostasis | maintaining a balance |
| Function of the Endocrine System | The endocrine system is a collection of glands that secrete hormones to maintain homeostasis. |
| Hormones | Chemical messengers that regulate the activity of other cells in the body and they travel in the bloodstream |
| Function of the Reproductive System | Facilitate fertilization (joining of egg & sperm cell). |
| Function of the Lymphatic System | Collect and return fluids that have leaked from the blood usig lymph nodes. Tonsils, thymus and spleen are examples of lymphatic organs. |
Created by:
dsookdeo
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