★ ICU Quiz
How much oxygen is inhaled from atmospheric air by normal breathing?
A. 10%
B. 17%
C. 21%
D. 70%
Select your answer:
Topics:
Biochemistry Nutrition and Human Digestive System The Cell Cycle Patient-Centered Endocrinology The Brain Our Control Center Anatomy and Histology of Stomach STNA (State Tested Nursing Assistant) First Aid Bleeding Doctor Equipments Nervous & Endocrine Systems Gene Expression Anatomy Muscles Carbohydrate Metabolism Digestion and Absorption of Carbohydrates Body System InteractionsOther quiz:
Carbohydrates, Proteins and Lipids › ViewWhat is a protein:
A. A polymer composed of many sugars.
B. A polymer composed of many amino acids.
C. A polymer composed of fatty acids.
D. A polymer composed of nucleotides.
Cell Structure and Functions › View
Biological membranes are normally permeable to:
A. large, hydrophilic molecules
B. small, hydrophilic molecules
C. large, hydrophobic molecules
D. small, hydrophobic molecules