★ Nutrient Cycling Quiz
What is the atmosphere?
A. all the air and gases on the planet
B. made up of living things
C. the non-living soil, rocks, and minerals of the Earth
D. the rivers, lakes, and oceans of the Earth
Select your answer:

Topics:
General Microbiology and Immunology Patho_Genetics Cholera Effects of Exercise on the Musculoskeletal System Medical Terminology Prefixes Heart Structure and Double Circulation Body Movements Brain and Nervous System Joints in our Body Blood Carbohydrates Proteins Vision and Light Biological Molecules Disease & ImmunityOther quiz:
Body Movements › ViewThe human skull consists of ___________ bones.
A. 18
B. 16
C. 22
D. 33
Respiratory System › View
The cartilage that closes the larynx to prevent food from entering the trachea is called
A. Vestibular fold
B. Epiglottis
C. Thyroid cartilage
D. Adam’s apple