d

• d

• d

• d

• d

Tick all of the parts of the respiratory system.

• Trachea

• Alveoli

• Left ventricle

• Aorta

• Bronchioles

The ____ carries food and liquids from your mouth to your stomach

Tick all of the organs in the digestive system.

• Stomach

• Lungs

• Heart

• Liver

• Intestines

The _____ system's function is to break down foods into nutrients.

Which two body systems deliver oxygen to your body and take away carbon dioxide?

• Respiratory and Nervous

• Circulatory and Nervous

• Respiratory and Circulatory

• Circulatory and Excretory

What bone protects the brain?

• Rib Cage
• Skull
• Femur
• Face

What is the correct order of organization?

• cells->tissue->organs->organ systems-> organism

• tissue->cells->organs->organ systems-> organism

• organs->organ systems-> organism->cells->tissue

• cells->tissue->organs->organism->organ systems

How long does it take for the digestive system to o through the whole cycle of digestion?

• 1 - 2 hours

• 20 - 25 hours

• 33 - 36 hours

• 60 - 66 hours

What do you have all around your body that help you use your reflexes?

• Brain

• Skin

• Arteries

• Nerves