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Science Final S.G.

Digestion begins in the mouth
Saliva also contains amylase
Amylase breaks down starch into sugar
Lugol's solution is used for starch
Bennidict's solution is used for sugar
The epiglottis is the flap that covers the windpipe while swallowing
The esophagus is a tube that's the passage for foos to the stomach
A ring of muscle that controls the passage of food between organs is called sphincter
Gastric juice contains pepsin and HCI which digests proteins
Mucus coats the stomach to prevent ucler formation
Gall Bladder stores bile which breaks down fats
Bile is produced by the liver
Pancreas secretes enzymes
Small Intestine receives the secretions from gall bladder and pancreas
The nutrients are obsorbed into the bloodstream
Villi are small folds of small intestine
Large Intestine absorbs water and minerals into the body
Peristalsis is the contractions of smooth muscles in the digestive tract
Swallowing too much air causes a burp
The main sourse of fuel/energy for the body is glucose
Nose filters and warms air and sneds olfactory signals to the brain
The passage of air into lungs is called windpipe/trachea
Ont op of the trachea is the larynx/voice box
Tranchea branch into bronchi that branch into bronchioles
Alveoli air sacs in lungs
Pleural Membranes surrounds lungs thare filed with liquid/fluid
Diaphragm muscle that controls your ventilation/breathing
When your diaphragm gets out of since it causes a hiccup
Bromthymol Blue is a indicator that turns yellow in the presence of carbon dioxide
Air left in lungs after you exhale is called residual volume
The amount of air you can exhale is called vital capacity
The total amout of air in your lungs is called total lung capacity
Your total lung capacity can hold up to 6 liters
Veins carry blood to the heart
Arteries carry blood away from the heart
Capillaries are thin vessels that exchange carbon dioxide with the body
Aorta is the largest vessel
The heart has 4 valves and 4 chambers (2 atria and 2 ventricles that pump at the same time)
The septum separates the left and right side of the heart
Red blood cells carry oxygen
White blood cells fight diseases
Plamsa is the liquid part of blood
Lymphatic vessels collects fluid that leaks from clogged arteries
A joint is where 2 or more bones meet
A cartilage is like a cushion
Ligaments are like rubber bands
A hinge joint is like a door
A ball and socket joint can turn all around
A pivot joint one bone rotates around another
A plane joint is like a gliding motion
A saddle joint is like a vertical joint
Bones are moved by occurring in opposing pairs
Extensors straightens joints
Flexors bends a joint
Muscles are attached by tendons
About how much percent of bones are replaced each year? 10%
At the center of most bones are bone marrows
Bone marrows forms red blood cells and are places for fat storage
A cadiac muscle is in the heart
A smooth muscle is in internal organs
Skeletal muscles are in varius sizes and has variety of strengths
Force is measured in newtons
Calories are energy gained from food
If a cell needs energy it'll go under cellular respiration
Cellular respiration takes place in mitochondrias
Diffusion goes with the flow
Active transport goes against the flow
The lungs and small intestine have folds that increase surface areas
Homeostasis refers to regulation of the body
An independent variable is changed
A dependent variable changes as a result of the variable
Controlled variables are constants
A control group is an unchanged group
Uncontrolled variables can change accidentally to cause error
Created by: rawrrawr66