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Science Unit 7 Test
Human Systems and Animal Kingdom
| Question | Answer |
|---|---|
| What substance do kidneys remove from the body | Urea, excess water, and other waste product |
| What substance do lungs remove from the body | CO2 |
| List 3 functions of the liver | Produces bile, controls amount of bile, bile breaks down fat |
| What structure in the lung is the site of gas exchange | Alveoli |
| What are the 2 layers of the skin | Epidermis and Dermis |
| Which layer of skin is made up of dead cells | Epidermis |
| List some causes if autoimmune diseases | injuries, pillution, drugs |
| What triggers an autoimmune response | When the immune system screws up |
| Descibe the number and location of glands in the endocrine system | Hypothalamus, Pinea,Pituitary - Brain Region. Thyroid - Pharynx Region. Thymus (Heart/Lungs Refion). Adrenal, Pancreas - Stomach/Kidney Region. Ovary/Testis - Reproductive Area |
| What part of the digestive system absorb excess water from digested food | Large Intestin |
| What is mechanical digestion and explain how it happens in the stomach | breaking down food by chewing or grinding it; stomach's muscles grind up the food |
| What is the enzyme that begins digestion of straches in saliva | Amylase |
| What muscle is responsible for moving air in and out of the lungs | Diaphragm |
| What part of the body do both air and food pass through | Pharynx |
| What is the function of red blood cells? | bring oxygen to different part of the body |
| What substance do they contain that transports O2 | Hemoglobin |
| If you have an infection, which type of blood cell would increase in number | White blood cells |
| Which blood vessels contain valves and what do valves do? | Arteries; make blood go only one way |
| Which blood vessels are the smallest | Capilaries |
| Compare Arteries' wall to the one of veins | They are much thicker |
| Correct Order of blood flow: | Right Atrium, Right Ventricle, Pulm. Artery, Pulm. Vein, Left Atrium, Left Ventricle, aorta |
| Which system could be compared to a highway system | blood/circulatoy system |
| List functions of the skin | barrier against infection/injury, Regulates body temperature. removes waste products, provide protection against UV rays |
| Where would you find cardiac muscle | Heart |
| What do tendons do | Attach muscle to bones |
| What do ligaments do | attach bones at joints |
| What does red bone marrow produce | Red blood cells |
| What is the function of the skeletal system | Support the body, provide the ability to move, rpotect internal organs, store minerals, and blood cell formation |
| What is the largest sense organ | The skin |
| What is the function of the nervous system | Controls and coordinates functions throughout the body, respond to stimuli |
| What are neurotransmiter | transmit nerve impulses accross a synapse |
| What is the function of the central nervous system | Relays messages,processes information, and anilize data |
| Define Homeostasis | keeping internal balance |
| What is the function of the endocrine system | Deliver messages throughout the body |
| List 4 types of tissue in human body | Muscle, Nervous, Epithelial, skin? |
| What is a vertebrate | animal with backbone |
| What percentage of animals are invertebrates | 95% |
| What are the sumpest animals to show simmetry | sponge |
| Sessile | stuck to the ground, may not move to live |
| What is the dorsla side/wentral | Dorsal - back (top), Ventral front (bottom) |
| Filterfeeders | strain particles of living stuff in the water to feed on |
Created by:
msiron2000
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