Arteries do not require valves like veins do because blood is pushed through arteries by the pumping of the heart, whereas veins require more assistance to move the blood back toward the heart.
A. TRUE
B. FALSE
Select your answer:
Topics:
Human Urinary System Hospital Unit Skeletal System Circulatory and Lymphatic System Human Genome and Bioethics Review Disease and Immunity Virus and Bacteria Immunology and Serology Cell Theory & Melanoma Urinary Bacteria & Viruses Properties of The Hair and Scalp Skin and Derivatives Movement Defining Health and WellnessOther quiz:
Neurological Disorders › ViewThe clear cause of MS remains unknown, though ____________ may be important factors.
A. Ethnicity, diet, and antibiotic resistance
B. Height, blood pressure, and birth order
C. Sleep hygiene, emotional health, childhood habits
D. Environment, viruses, and genetics
Bacteria & Viruses › View
Which is bigger, a bacterium or a virus?
A. Bacteria
B. Virus