Medical Quiz
★ The Circulatory System Quiz

The heart is enclosed in a protective sac called __________.

A. myocardium

B. capillaries

C. valve

D. pericardium

Select your answer:
A  B  C  D  E 

Topics:

Diseases Key Terms Mutations, Replication, and Cancer Brain, Neurons and The Nervous System Visual Impairment Types of Reproduction T Cells Human Anatomy and Physiology - Types of Tissues Therapeutic Services Roots Toxicology EM Spectrum The Blood Stress and Mental Health Cells & Body Systems Cosmetology Anatomy Physio Intro Practice

Other quiz: Central Nervous System

A_______is what your body does in reaction to a stimuli. 

A. reaction

B. response

C. change