Share L4.4 - Digestion and Excretion_ 6th Grade Science A
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What is the main function of the digestive system?
Breaks down food into small molecules for the body to use
Stores oxygen for cells
Produces hormones
Controls heart rate
What is the main function of the excretory system?
Controls movement of muscles
Removes waste and regulates water levels
Creates energy
Produces oxygen
What does the mouth do in digestion?
Stores food
Mechanically breaks down food by chewing
Absorbs nutrients
Produces red blood cells
What happens in the stomach?
Filters blood
Stores solid waste
Grinds food and mixes it with digestive juices
Absorbs nutrients into blood
What happens in the intestines?
Produces blood cells
Breaks down food and absorbs nutrients
Stores oxygen
Creates bile
What is the role of the large intestine?
Stores nutrients
Creates energy
Produces red blood cells
Removes solid waste from the body
What is the function of the kidneys?
Break down food
Absorb oxygen
Control heartbeat
Filter waste from blood and regulate water
What is the function of the bladder?
Stores urine temporarily
Absorbs nutrients
Breaks down food
Produces red blood cells
What type of waste does the kidneys remove?
Liquid waste
Food waste
Gas waste
Solid waste
What type of waste does the large intestine remove?
Liquid waste
Solid waste
Energy waste
Gas waste
Which system filters the blood?
Muscular system
Excretory system
Nervous system
Respiratory system
Which system carries nutrients from the intestines to cells?
Nervous system
Skeletal system
Respiratory system
Circulatory system
How do muscles help digestion?
They move food through the system
They create bile
They produce enzymes
They absorb nutrients
What tells the digestive system when to start working?
The nervous system
The respiratory system
The skeletal system
The muscular system
What system provides oxygen to intestinal cells?
The respiratory system
The skeletal system
The circulatory system
The nervous system
What nutrient group gives quick energy?
Proteins
Vitamins
Fats
Carbohydrates
