What is the function of the alveoli?
A. To carry air to and from the lungs
B. To warm and moisten the air
C. To trap dirt particles and bacteria
D. To exchange gases with the blood
Select your answer:

Topics:
Vitals Orthopedics Digestive System and Nutrition Molecular Basis of Inheritance Proteins SCI CH2-1 Energy and Metabolism Child Development Anatomy and Histology Physical Pharmacy Blood and Hematology BMI (Body Mass Index) Muscles and Healthy Body Introduction to Mycology Pharmacology VitaminsOther quiz:
Circulatory and Lymphatic System › ViewSelect the correct process of blood clotting:
A. Blood Vessel is punctured -> platelets and damaged tissue cells release prothrombin activator, which initiates a cascade of enzymatic reactions -> fibrin threads form and trap red blood cells -> platelets congregate and form a plug
B. Blood Vessel is punctured -> fibrin threads form and trap red blood cells -> platelets congregate and form a plug -> platelets and damaged tissue cells release prothrombin activator, which initiates a cascade of enzymatic reactions
C. Blood Vessel is punctured -> platelets congregate and form a plug -> platelets and damaged tissue cells release prothrombin activator, which initiates a cascade of enzymatic reactions -> fibrin threads form and trap red blood cells
Anatomy - Muscle Histology/NMJ/Physiology › View
What is the contractile unit of the muscle?
A. Z disk
B. Sarcomere
C. Muscle fiber
D. Muscle cell