Urinary System
Respiratory System
Digestive System
Circulatory System
Miscellaneous Madness
100

What organ filters blood to form urine?

Kidney

100

What muscle contracts to allow inhalation?

Diaphragm

100

Where does most nutrient absorption occur?

Small intestine

100

What organ pumps blood throughout the body?

Heart

100

Which two systems work together to deliver oxygen and remove carbon dioxide?

Respiratory and circulatory systems

200

What tube carries urine from the kidney to the bladder?

Ureter

200

Where does gas exchange occur in the lungs?

Alveoli

200

Your body releases hormones to help keep things balanced. What hormone does the pancreas release when your blood sugar is too high?

Insulin

200

What blood vessels carry blood away from the heart?

Arteries

200

What is homeostasis?

The body’s ability to maintain a stable internal environment

300

What is the functional unit of the kidney that filters the blood?

Nephron

300

What is the correct path air follows from nose to alveoli? (7 steps)

Nose → Pharynx → Larynx → Trachea → Bronchi → Bronchioles → Alveoli

300

What is the role of liver/bile in digestion?

Emulsifies fats for easier digestion by enzymes

300

What is the function of red blood cells?

To carry oxygen using hemoglobin

300

What is the main waste product excreted by the lungs?

Carbon dioxide

400

How does the urinary system help regulate blood pressure?

By controlling the volume of water excreted and releasing renin from the kidneys

400

How does the respiratory system help maintain pH balance in the body?

By controlling CO₂ levels, which affect acidity in the blood

400

Food doesn’t just fall into your stomach when you swallow—it gets pushed down. What is the name of the organ that does that?

esophagus

400

Describe the pathway of blood through the heart, starting from the right atrium. (6 steps)

RA → RV → lungs → LA → LV → body

400

What enzyme in saliva begins breaking down starch?

amylase

500

What condition results from the kidney’s inability to filter waste effectively, possibly requiring dialysis?

Kidney failure

500

By controlling CO₂ levels, which affect acidity in the blood

Emphysema

500

What is the role of the pancreas in digestion?

Secretes digestive enzymes and bicarbonate to neutralize stomach acid in the small intestine

500

Describe how oxygen is removed from the blood?

Oxygen leaves the blood in the capillaries, where it moved into body cells through diffusion. After this, the now deoxygenated blood travels through veins back to the heart to be sent to the lungs for more oxygen.

500

A person is dehydrated and has low oxygen levels in their blood. Which 3 systems are involved in correcting this?

urinary, respiratory, circulatory