Select your answer:
Topics:
Nutrition Maximal Oxygen Consumption (VO2 Max) Pathogens - Bacteria and Viruses Disease as a Failure of Homeostasis Health Issues Related to Digesting System and Eating Habits Human Digestive System Medicine Clinics Oronasal Suctioning The Circulatory System Characteristics of Life & Viruses Genetics and Censorship Human Anatomy Study Guide Mitosis for Mya Tongue and Skin Cell BioOther quiz:
Pediatric Cardiology › ViewThe umbilical arteries carry
A. oxygenated blood
B. deoxygenated blood
Musculoskeletal System › View
How do pairs of skeletal muscles work together?
A. while one contracts, the other returns to original length
B. both muscles contract at the same time
C. both muscles relax at the same time
D. 1 muscle pulls on the bone and the other pulls on the first muscle