NEW
Font size
WorksheetsDigestive and Excretory System Review 2
Total questions: 60
Worksheet time: 43mins
Sequence the four steps that food follows in the digestive system.
Ingestion, elimination, digestion, absorption
Elimination, absorption, digestion, ingestion
Ingestion, digestion, absorption, elimination
cardiac, muscle, smooth
What does digestion mean?
It is the mechanical and chemical breakdown of food into smaller particles and molecules that your body can absorb and use.
It is the act of eating or putting food in your mouth.
It is the removal of undigested food and other wastes from the body.
It occurs when the cells of the digestive system take in small molecules of digested food.
What does ingestion mean?
It is the mechanical and chemical breakdown of food into smaller particles and molecules that your body can absorb and use.
It is the act of eating or putting food in your mouth.
It is the removal of undigested food and other wastes from the body.
It occurs when the cells of the digestive system take in small molecules of digested food.
What does absorption mean?
It is the mechanical and chemical breakdown of food into smaller particles and molecules that your body can absorb and use.
It is the act of eating or putting food in your mouth.
It is the removal of undigested food and other wastes from the body.
It occurs when the cells of the digestive system take in small molecules of digested food.
What does elimination mean?
It is the mechanical and chemical breakdown of food into smaller particles and molecules that your body can absorb and use.
It is the act of eating or putting food in your mouth.
It is the removal of undigested food and other wastes from the body.
It occurs when the cells of the digestive system take in small molecules of digested food.
Which is an example of mechanical digestion?
Tearing food with canines (front, pointed teeth), grinding food with molars (flat teeth), cutting food with incisors (front teeth),mashing food with the muscles of the tongue and stomach
Amylase breaking down carbohydrates
Pepsin breaking down proteins
Lipase breaking down fats
Which is NOT an example of chemical digestion?
Amylase breaking down carbohydrates
Papain breaking down proteins
Lipase breaking down fats
Tearing food with canines (front, pointed teeth), grinding food with molars (flat teeth), cutting food with incisors (front teeth),mashing food with the muscles of the tongue and stomach
How might enzymes affect digestion?
Enzymes are carbohydrates that help construct larger molecules and slow down the rate of chemical reactions.
Enzymes are proteins that break down larger molecules into smaller molecules and speed up the rate of chemical reactions.
Enzymes are proteins that construct larger molecules and speed up the rate of chemical reactions.
Salivary glands produce saliva which helps to
Break down carbohydrates with an enzyme called amylase
Neutralize acidic foods
Make foods slippery so they are easier to swallow
All answer choices are correct.
The esophagus connects the mouth to the _____.
small intestine
stomach
anus
large intestine
Food moves through the esophagus and the rest of the digestive tract by waves of muscle contractions called ____.
Pharynx
Pancreas
Peristalsis
Pepsin
The stomach is a hollow, muscular organ that has folds within its walls. How might these folds help with digestion?
The folds enable the stomach expand and hold up to 2 ml of food in an adult.
The folds enable the stomach expand and hold up to 200 ml of food in an adult.
The folds enable the stomach expand and hold up to 2 L of food in an adult.
The folds enable the stomach expand and hold up to 200 L of food in an adult.
As food mixes with gastric juice in the stomach, it forms a thin, watery liquid called ____.
Pepsin
Hydrochloric acid
Chyme
Villi
Most chemical digestion occurs in the ______.
Mouth
Stomach
Small intestine
Large Intestine
Which are characteristics of the small intestine?
Large diameter of 5 cm and length of 1.5 m
Large diameter of 5 cm and length of 7 m
Small diameter of 2.5 cm and length of 1.5 m
Small diameter of 2.5 cm and length of 7 m
Most nutrient absorption occurs in the _____.
mouth
stomach
small intestine
large intestine
The folds of the small intestine are covered with fingerlike projections called ____.
Chyme
Pepsin
Villi
Amylase
Bile is produced in the ______ and makes it easier to digest fats.
Pancreas
Gallbladder
Stomach
Liver
The _____ stores bile until it is needed in the small intestine.
Pancreas
Gallbladder
stomach
liver
Food that is not absorbed by the small intestine moves into the ____.
Rectum
Esophagus
Anus
Large intestine
Which are characteristics of the small intestine?
Large diameter of 5 cm and length of 1.5 m
Large diameter of 5 cm and length of 7 m
Small diameter of 2.5 cm and length of 1.5 m
Small diameter of 2.5 cm and length of 7 m
Semi-solid waste that is produced in the large intestine is called ____
chyme
urine
feces
kidney
Some bacteria living in the intestines are good because they help
Digest food
Produce important vitamins such as vitamin K
Produce amino acids
All answer choices are correct
Sequence the path that food takes as it passes through the digestive tract.
Mouth → Pharynx → Stomach → Small Intestine → Esophagus → Large Intestine → Rectum → Anus
Mouth → Pharynx → Esophagus→ Stomach → Small Intestine → Large Intestine → Rectum → Anus
Mouth → Pharynx → Esophagus→ Stomach → Large Intestine → Small Intestine → Rectum → Anus
The liquid waste removed from the body by the urinary system is called ___
sweat
urine
blood
water
What purpose do the kidneys serve in the urinary system?
They filter liquid wastes from blood.
They store urine until it is ready to pass out of the body.
They carry liquid waste from the bladder to the urethra.
They add nutrients to the blood.
Kidneys maintain homeostasis in the body by regulating
Energy levels
food levels
water levels
blood levels
Which organ stores urine until the body is ready to eliminate it?
urea
ureters
urethra
urinary bladder
What function do the kidneys perform?
eliminate carbon dioxide
supply oxygen to body cells
eliminate urea and excess water
play a role in gas exchange
What structures carry urine from the kidneys to the bladder?
trachea
bronchial tubes
ureters
Urethra
...................... is (are) located on both sides of backbone.
Two kidneys
Urinary baldder
Urethra
Heart
Where are the kidneys located?
Upper part of your chest
Back wall of the abdomen
Above the heart
The lower side of the brain
What are the filtering units of the kidneys?
nephrons
ureters
nuerons
alveloi
Which of the following parts is not found in the urinary system?
Ureters
Urethra
Bladder
Rectum
