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Science Dec 3
Animals
| Question | Answer |
|---|---|
| How long have nautiluses been in the oceans? | 500 million years |
| What are two main structures of nautiluses? | tentacles and a parrot like beak |
| What is the only mammal that has scales? | The pangolin |
| What are the four basic tissue types that animals have? | nervous, epithelial, connective, muscle |
| Which tissue functions as a messaging system? | Nervous tissue |
| Which tissue protects and forms boundaries? | Epithelial tissue (found in organs such as skin) |
| Which tissue holds parts of the body together and provide support? | Connective tissue (bones and blood) |
| Which tissue produces movement? | Muscle tissue |
| How many tissue types make up the organs in an animal? | At least two or more |
| Which tissues make up the human heart? | Muscle, nervous, epithelial |
| What does the type of tissues organs and organ systems present in an animal depend upon? | They depend up the type of animal and its needs. |
| How many groups are animals classified into? | 30 |
| What are the groups called in the animal classification system? | phyla |
| What do animal bodies systems do? | They perform all the functions needed for life. |
| What is the function of the digestive system? | Breaks down food that the body uses for energy, growth and repair. |
| What is the function of the excretory system? | Removes waste from the body (such as excess water, carbon dioxide, and toxins produced during cellular processes) |
| What is the function of the respiratory system? | Takes in oxygen and releases carbon dioxide |
| What is the function of the circulatory system? | Carries oxygen, water, and nutrients to all the cells of the body |
| What is the function of the muscular system? | Provides internal and external movement (most animals use muscles but some use cilia) |
| What is the function of the nervous system? | Collects and processes information -- communicates messages between the brain and other parts of the body |
| How are organs organized? | They're organized into systems that perform specific functions, such as as digestion or food or delivery of oxygen. |
| What helps animals break down food mechanically? | Teeth! |
| What helps animals break down food chemically? | Digestive enzymes in saliva |
| Which organs help remove waste from the body? | Skin, lungs, kidneys |
| In mammals, the circulatory system includes two subsystems. What are they? | Cardiovascular and lymphatic |
| What does the cardiovascular system include? | Heart and blood vessels |
| What does the lymphatic system do? | Transports fluid that helps the body fight infection |
| What does the heart do? | Acts as a pump to move blood through the body's blood vessels |
| What can a skeleton be made of besides bones? | Spines or crystals |
| What is an endoskeleton? | An internal skeletal system that provides support for the body |
| What is an exoskeleton? | An external skeletal system that acts like a protective armor |
| How do animals gather information from their environments? | Eyes, ears, hairs, skin, antennae, feet (butterflies!), tongues (snakes!) |
| True or false: Animal body systems interact with one another to perform functions | TRUE |
Created by:
essaydoctor