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Science Review
Question | Answer |
---|---|
Produces hormones and chemicals | Endocrine System |
Excretes waste and other harmful substances | Excretory System |
Produces white/red blood cells, provides structural support | Skeletal System |
Gets oxygen into your body and gets rid of CO2 and water vapor | Respiratory System |
Controls and coordinates body functions using electrical signals | Nervous System |
Creates another organism (Makes babies) | Reproductive System |
Transportation for blood, oxygen, and nutrients | Circulatory System |
Handles food and converts it into usable energy | Digestive System |
Provides movement for the entire body | Muscular System |
Provides protection, sense of touch, etc. | Integumentary System |
Response to a stimuli you don't have control over | Reflex |
Lipids break down into______ | Fatty Acids |
Protein (meat) breaks down into______ | Amino Acids |
Carbohydrates break down into______ | Simple Sugars |
What system is responsible for stimuli? | Nervous System |
_____ stimulus is a reaction to situation occurring outside of the body | External |
Hormones are excreted through- | Glands |
_____ stimulus is a reaction to things occurring within the body | Internal |
What organ/muscle is responsible for moving food to the stomach after it is swallowed | Esophagus |
What layer of skin produces, replaces and sheds thousands of new cells every day? | Epidermis |
When a new substance is made, it is a _____ change | Chemical |
When a substance only changes form, it is a _____ change | Physical |
What are the 5 levels of organization that operate together to create an organism? | Cell, Tissue, Organ, Organ System, Organism |
_____ energy is stored in food | Chemical |
Formula for calculating work? | F x D=W |
In what system do you find hemoglobins? | Circulatory System |
Define the word 'permeable' | Allowing certain things to pass through (Cell Membrane) |
Circulatory System is the main ______ for all chemicals, nutrients, oxygen, and waste throughout the body | Transportation |
What kind of changes occur within the stomach? (Chemical, Physical) | Both |
What kind of changes occur in the large intestine? (Chemical, Physical | Physical |
What kind of changes occur within the mouth? (Chemical, Physical) | Both |
What kind of changes occur within the esophagus? (Chemical, Physical) | None |
Ligaments connect _______ | Bones to bones |
Tendons connect_______ | Muscles to bones |
Cartilage is the ______ between bones | Cushion |
______ is where two bones meet | Joints |
What does a nucleus do? | Controls activities within the cell |
What does a mitochondria do? | Make usable energy for the cell |
What does a cell membrane do? | Protects cell , and allows certain things through and keeps away harmful stuff. It is permeable |
What does a cell wall do? | Protects cell, and provides structure |
What does a chloroplast do? | Takes sunlight and makes it into energy |
What is a vacuole? | The storage for water and stuff |
3 parts of cell theory- | 1.All organisms are made of one or more cells 2.The cell is the basic building block of all living things 3.All cells come from existing cells |
What is the genetic material? | DNA; holds the 'blueprint' for life |
What is an Element? | It is found on the periodic table; it is the smallest unit of a substance that still retains its identity |