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Science Review

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
Created by: l0908775