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Science Unit 5
Animal Structures
| Question | Answer |
|---|---|
| parts on the outside of a body or structure | external structures |
| Animals have structures that help them _________. | move, eat, take cover or protect themselves |
| external structures that allow a polar bear to move | legs and arms |
| external structures that allow a bat to move | wings |
| external structures that allow a shark to move | fins and tail |
| external structures that allow a snake to move | scales |
| external structure that allows a mountain lion to eat | sharp teeth |
| external structure that allows an antelope to eat | flat teeth |
| external structure that allows an eagle to eat | sharp, hooked beak |
| external structure that allows a frog to eat | flexible jaw |
| external structure that allows a female mosquito to eat | tube-like mouth |
| external structure that allows an alpaca to protect or insulate | fur to prevent heat loss |
| external structures that allow a bird to protect or insulate | feathers to keep warm |
| external structures that allows a turtle to protect or insulate | shell for protection |
| external structures that allows a porcupine to protect or insulate | quills for protection |
| external structure that allows a rhino to protect or insulate | leathery skin to protect from predators |
| Living things have structures that function to support _______, _______, _______, and _______ in their environments. | survival, growth, behavior, reproduction |
| parts on the inside of a body or structure | internal structures |
| how your body moves oxygen and blood around | respiratory and circulatory systems |
| a gas in the air your body needs for its basic functions | oxygen |
| a body part that is made of smaller parts that work together to do a job for the body | organ |
| a group of organs that work together to do a job for the body | organ system |
| consists of the heart, veins and arteries | Circulatory System |
| In the circulatory system, __________ delivers oxygen to different parts of the body. | blood |
| In the circulatory system, blood also carries ________ and _______ from food. | nutrients, energy |
| consists of the lungs, trachea and bronchi | Respiratory System |
| breathing in, causing air to move into the lungs | inhalation |
| breathing out, making air leave the lungs | exhalation |
| In birds, reptiles and mammals, the ________ take in air. | lungs |
| Lungs are part of the __________ system. | respiratory |
| The blood is pumped by the _________. | heart |
| The heart is part of the ____________ system. | circulatory |
| In the respiratory system, the ______________ is a muscle that controls inhalation and exhalation. | diaphragm |
| When the diaphragm ______________, it moves upward and air is pushed out of the lungs. | relaxes |
| Mammals have _________ heart chambers. | four |
| Reptiles have __________ heart chambers. | three or four |
| Fish have ________ heart chambers. | two |
| In humans, food enters the body through the mouth and then moves through the _______________. | esophagus |
| Food moves from the esophagus to the ____________. | stomach |
| In the __________________, food is mixed with substances produced by the liver, gallbladder, and pancreas. | small intestine |
| _____________ are absorbed by the body in the small intestine. | Nutrients |
| Remaining material moves to the _____________, where water and minerals are absorbed before moving out of the body as waste. | large intestine |
| What is the digestive system's job? | to break down food |
| The esophagus, stomach, small intestine, and large intestive are parts of the ________________. | digestive system |
| The _______________ system removes wastes from the body that it does not need. | excretory |
| Skin produces __________, which releases salt and chemicals. | sweat |
| The lungs remove _____________ in the body. | carbon dioxide |
| Kidneys make ___________, and the bladder stores it until it is passed by the body. | pee |
| The _____________ system consists of the bladder and kidney. | urinary |
| The ____________ system gives structure, support and protection to the softer parts of the body. | skeletal |
| The _______________ system contains the brain, spinal cord and nerves. | nervous |
| the central processing organ that is protected by the skull | brain |
| the largest organ in the body | skin |
| Skin contains special structures called ____________. | receptors |
| special structures that send information about the environment from different parts of the body to the brain | receptors |
| Information is carried by the ________ to the brain. | nerves |
| The brain processes information, causing the body to _________ and ____________ to information in different ways. | react, respond |
| reacts to how hard, soft or smooth an object is | touch |
| reacts to the temperature | temperature |
| sends information to the brain which causes the muscles to try and move away from the source of pain | pain |
| immediate responses from the spinal cord that are sent back to the muscles | reflexes |
| Reflexes are important to survival because they allow animals to respond __________ to their environtment. | quickly |
| You are able to smell odors and aromas because you have ________ receptors in your _________. | smell, nose |
| The ________ has receptors that allow you to taste and feel what you eat and drink. | tongue |
| Examples of taste | sweet or sour |
| Examples of touch | rough or smooth |
| examples of temperature | hot or cold |
| examples of pain | boiling hot |
| The eyes process color, shape and depth with ___________ receptors. | sensory |
| The eyes contain ___________ receptors that react to light. | light |
| Light passes through the _________ of the eye to reach the receptors. | pupil |
| Animals can "see" in other ways by using their other ________. | senses |
| __________ travel from the inner ear to the brain by receptors into nerve signals. | sounds |
Created by:
akontostergios
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