Understanding the human body final pt2

This organ holds urine before elimination 

This tube transports food from the mouth to the stomach

Gas exchange takes place in this tiny clusters in the lungs

Which nutrient is the primary energy source in the body?

The respiratory system takes in this gas and gets rid of this gas 

Oxygenated blood enters what side of the heart? 

Muscles you control are _________ while muscles like the heart are____________

These irregular shaped cells help clot blood 

What are the 3 types of muscles?

These vessels are where gas exchange occurs 

This organ filters wastes and toxins out of the blood. 

Chemical digestion uses?

Gallbladder, liver and pancreas are?

The burn you feel when doing exercise is caused by?

This organ has strong acids that breakdown food 

Your body moves by muscles doing what to bones? 

These vessels carry blood TO the heart

These vessels carry blood AWAY from the heart

This organ is where extra water is abosrbed

These prevent blood from flowing backwards

The area where the trachea/esophagus "cross" is the what

The pulmonary circuit goes where? 

Which blood cells carries oxygen?

This flap prevents food from entering the respiratory system

Muscles only found in your heart are?

When a muscle contracts it becomes?

De-Oxygenated blood enters what side of the heart?