All living things are comprised of these, the smallest unit of life:
Cells

The process where food is broken down and nutrients absorbed:
Digestion
This system includes organs involved with waste processing and removal through excretion:
Excretory System

The vital substances the body needs to live and grow obtained through digestion of food:
Nutrients
:max_bytes(150000):strip_icc()/nutrients-what-they-are-and-why-you-need-them-2507078-FINAL-e65d7ad29bdf4d99afca860abc76d19a.png)
Where can you learn about the nutritional content of your food?
Nutritional Facts Label

Single-celled organisms (life form) that can cause disease or sickness:
Bacteria
This organ uses acid and rhythmic squeezing to further breakdown food:
Stomach
![]()
The three primary excretions are:
Sweat
Urine
Feces
This fluid chemical is fundamental to life and facilitates all chemical reactions:
Water

True or False: To be healthy, one must give up fats and sweets entirely.
False; less healthy foods can still be enjoyed in moderation.

The Dutch man who discovered bacteria using his own homemade microscope:
Anton van Leeuwenhoek

This organ creates chemicals like bile to help breakdown food and metabolize certain substances:
Liver

These twin organs located towards your lower back filter waste from the blood, creating urine:
Kidneys

The three primary organic (living) nutrients:
Carbohydrates
Fat
Proteins

7-8 year-olds require 10-11 hours of this each night:
Sleep

Name the four types of tissue:
Connective
Muscle
Nervous
Epithelial

These finger-like protrusions found in the small intestine do most of the absorbing of nutrients into the bloodstream:
Villi

This highly elastic organ stores urine until release:
Bladder
Name two essential non-organic (non-living) nutrients obtained through food:
Vitamins
Minerals

This activity keeps your body healthy, your weight in check, strengthens your heart and lungs, grows muscle, and helps fight disease.
Exercise

Fill in the blanks:
Multiple cells make _____
Multiple _____ make ______
Multiple _____ make ______
Multiple _____ make you!
Cells
Tissue
Organs
Systems
You!

Describe the path food takes through the body:
Mouth
Esophagus
Stomach
Small Intestine
Large Intestine

Identify three more systems besides the digestive and excretory systems:
Skeletal
Muscular
Circulatory
Respiratory
Nervous

Create a meal that contains all three essential nutrients:
Answers vary:

This is also important to keeping healthy and fighting bacteria through cleanliness:
Hygiene