Topics: Cell Structure and Function Quiz
The smallest unit of life is ____
A. a protist
B. an atom
C. bacteria
D. a cell
Select your answer:
Topics:
Communicable Diseases and Immune Response (OCR) Lung & Breathing Blood Typing Inflammation and Healing Skin and Derivatives Body Heart and Blood Vessels Infection Renal The Ear Skin Structure Asexual Reproduction Circulation of Blood Anatomy & Physiology: Respiratory Body Systems & Anatomical TermsOther quiz:
Enzymes › ViewWhat happens to enzymes at the end of a chemical reaction?
A. They are used up.
B. They are unchanged.
C. They become less effective.
D. They are broken down.
Digestive System › View
Which two systems interact so the kidneys filter cellular waste out of blood for removal?
A. circulatory and endocrine
B. respiratory and circulatory
C. digestive and respiratory
D. circulatory and excretory