★ Circulatory and Respiratory System Quiz
When you eat nad drink, this closes over the entrance of your trachea so no food or drink gets into your lungs:
A. bronchi
B. epiglottis
C. larynx
D. alveoli
Select your answer:

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Healthy Lifestyle Joints & Movement Sources Of Food Human Body Systems Cardiovascular Physiology - Function Mental Health Cell Biology & Biotechnology Blood Typing Molecular Genetics Bio Cells Bariatric Surgery and Diabetes Organelles Virus, Bacteria, Immunity Renal Replacement Therapies Communicable Diseases and Immune Response (OCR)Other quiz:
Skin Structure, Growth, & Nutrition › ViewThe stratum germinativum is composed of several layers with special cells that produce a dark skin pigment called _____.
A. pigment
B. elastin
C. melanin
D. keratin
Nutrition › View
A good source of complex carbohydrates is…
A. Fruit
B. Honey
C. Beans
D. Eggs