This organ is where chewing and digestion begin.
Mouth
These glands produce saliva to moisten and soften food.
Salivary glands
These are the main organs that take in oxygen from the air.
Lungs
These male reproductive organs produce sperm cells and testosterone.
Testes
This muscular tube carries food from the throat to the stomach.
Esophagus
This organ produces bile, which helps in fat digestion
Liver
This body part filters, warms, and moistens the air we breathe.
Nose
These female reproductive organs produce egg cells and hormones.
Ovaries
This saclike organ temporarily stores and mixes food.
Stomach
This small sac stores and concentrates bile produced by the liver.
Gall bladder
This structure is called the voice box because it helps produce sounds.
Larynx
This muscular organ supports the development of a fetus during pregnancy.
Uterus
This long, coiled organ is where most nutrient absorption takes place.
Small intestine
This organ produces digestive enzymes and the hormone insulin.
Pancreas
These two main air passages branch from the trachea and lead into the lungs.
Bronchi
This coiled structure stores sperm cells and allows them to mature.
Epididymis
Food has been digested, but the remaining waste still contains water. This organ absorbs much of that water before waste leaves the body.
Large intestine
A student regularly eats fruits, vegetables, and whole grains and drinks enough water. Explain how these habits help digestion.
Fiber and adequate water help support normal bowel movements and prevent constipation.
A student inhales deeply. This dome-shaped muscle contracts and moves downward, allowing the chest cavity to expand.
Diaphram
An egg cell leaves an ovary and travels toward the uterus through this narrow structure.
Fallopian tube