Know the Organs
Functions and Healthy
Respiratory System
Reproductive System
100

 This organ is where chewing and digestion begin. 

Mouth

100

These glands produce saliva to moisten and soften food.

Salivary glands

100

These are the main organs that take in oxygen from the air.

Lungs

100

These male reproductive organs produce sperm cells and testosterone.

Testes

200

This muscular tube carries food from the throat to the stomach.

Esophagus

200

This organ produces bile, which helps in fat digestion

Liver

200

This body part filters, warms, and moistens the air we breathe.

Nose

200

These female reproductive organs produce egg cells and hormones.

Ovaries

300

This saclike organ temporarily stores and mixes food.

Stomach

300

This small sac stores and concentrates bile produced by the liver.

Gall bladder

300

This structure is called the voice box because it helps produce sounds.

Larynx

300

This muscular organ supports the development of a fetus during pregnancy.

Uterus

400

This long, coiled organ is where most nutrient absorption takes place.

Small intestine

400

This organ produces digestive enzymes and the hormone insulin.

Pancreas

400

These two main air passages branch from the trachea and lead into the lungs.

Bronchi

400

This coiled structure stores sperm cells and allows them to mature.

Epididymis

500

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

500

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.

500

A student inhales deeply. This dome-shaped muscle contracts and moves downward, allowing the chest cavity to expand.

Diaphram

500

An egg cell leaves an ovary and travels toward the uterus through this narrow structure.

Fallopian tube

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