Helps to insulate against cold temperatures.
What is fat?
Page 525
Two types of digestion?
What is mechanical and chemical digestion?
Page 532
What organ has teeth and a tongue?
What is the mouth?
page 534
How many types of excretion are there?
What is 4?
page 542
Shaped like a bean.
What is the kidneys?
page 543
Your body is mostly made of?
What is water?
Page 526
Chemical digestion can not occur without what?
What is enzymes?
page 532
What organ can expand like a balloon?
What is the stomach?
page 535
Which system has kidneys?
What is the urinary system?
page 542
How many organs are there in the urinary system?
What is 4?
page 543
Calcium is concentrated a what?
What is a mineral?
page 525
When food is physically broken down into smaller pieces is called?
What is mechanical digestion?
page 532
Where do materials pass through?
What is the large intestine?
page 537
Which system removes carbon dioxide and water vapor from the body?
What is the respiratory system?
page 542
What does the ureter drain into?
What is the bladder?
page 545
Pasta, bread, and potatoes contain this?
What is carbohydrates?
page 524
When food is broken down into smaller molecules.
What is chemical digestion?
page 532
Where does food go after you swallow it?
What is the esophagus?
page 534
Which system collects and removes undigested solids from the food you eat?
What is the digestive system?
page 542
A tube-like structure.
What is the ureter?
page 545
Combinations of 20 different amino acids.
What is proteins?
page 524
Helps break down big pieces of food.
What is enzymes?
Page 533
What organ is covered with villi on the inside?
What is the small intestine?
page 536
The system that includes skin and sweat glands?
What is the integumentary system?
page 542
What organ contains circular muscles called sphincters?
What is the urethra?
Page 545