Digestion and Respiratory Systems

1) Humans breathe through which of the following systems?

• Nervous System

• Digestive System

• Respiratory System

• Endocrine System

2) Which of the following gasses are exchanged when we breathe in?

• Nitrogen

• Water and Carbon Monoxide

• Oxygen and Carbon Dioxide

• Hydrogen

3) Which of the following muscles, that are at the base of your rib cage, expands our lungs during the breathing process?

• Thyroid

• Diaphragm

• Pharynx

• Trachea

4) What are the tiny air sacks at the ends of the bronchi called?

• Ravioli

• Linguine

• Alveoli

• Fettuccine

5) True or False: Our nose helps cool down air prior to getting to our lungs.

• True

• False

6) What is the main purpose of the digestive system?

• To fight of diseases

• To regenerate cells

• To distribute energy throughout the body

• To break down food

Tags

NGSS.MS-LS2-3

7) True or False: The digestive system is about 20 to 30 feet long.

• True

• False

8) What type of proteins does saliva have that helps break down starchy foods?

• Collagen

• Hemoglobin

• Enzymes

• Insulin

9) How does food travel from the mouth to the stomach?

• Food goes down the windpipe

• Throat muscles push down food

• Food falls down the smooth muscles of the espohagus

• The hatch door releases and lets food inside the stomach

10) The small intestine has fluids from which two organs to help continue to break down food?

• Brain and Spinal Chord

• Appendix and Kidneys

• Liver and Pancreas

• Stomach and Heart