---

---

Select your answer:
         

Next Quiz >

Topics:

Body Defense Dental Caries Respiratory and Circulatory Tongue and Skin Vitamin Disorders of The Joints Body System Forensic Odontology Microbiology Essential Nutrients Integumentary System: Skin Disorder Excretion in Humans Specialties: Neurological and Geriatric Mitosis Biochemistry Lab

Other quiz:

Human Organs › View

How does a pair of skeletal muscles work together?
A. both muscles contract at the same time
B. both muscles relax and then work together
C. when one muscle contracts, the other relaxes
D. When one muscle is voluntary, the other is involuntary

---

Microbiology › View

What is the purpose of sealing the lid onto the petri dish with sellotape?

A. To allow oxygen to flow in

B. To keep the bacteria from escaping

C. To prevent condensation on the lid

D. To prevent the growth of bacteria

---