Cardiac muscles are muscles which are fused to bones of skeleton by tendons.
Topics:Ankle, Foot, & LL - Injuries Bones Anatomy Environment Homeostasis - Vision Correction Soldiers of Defense Dementia Excretion in Humans Human Body Systems Stress and Mental Health Biomedical Skeletal System Vocabulary Cardiovascular Adaptation Refresher Types of Doctors Nutrition - Digestive System Bacteria
Other quiz: Vocabulary - Health
The _____ is our main defence against disease.
A. immune system
B. digestive system
C. respiratory system
D. circulatory system