The heart is enclosed in a protective sac called __________.
Select your answer:
Topics:Cell Structure and Function Prokaryotic Cells and Viruses Biology for Engineers Immune Cells Faction Anatomy: Muscle Counseling: Fact or Myth? Autism Awareness Non-Communicable Disease Cell Theory & Melanoma Lymphatic System Health - Nutrition Connective Tissue Injury Sensory Disorder Conjunctivita
Other quiz:Lymphatic System › View
The immune system helps maintain blood volume levels, and thus also maintains
A. blood pressure
B. synaptic transmission
C. viral immunity
D. hormone secretion
Pituitary, Thyroid and Adrenal › View
Which of the following is not a protein hormone?