The Cardiovascular System The Heart - Human Anatomy Physiology | Biology+

Course

Anatomy & Physiology

Study Pack

Set 1: The Human Body: an Orientation

Set 2: Chemistry Comes Alive

Set 3: Cells: the Living Units

Set 4: Tissue: the Living Fabric

Set 5: The Integumentary System

Set 6: Bones and Skeletal Tissues

Set 7: The Skeleton

Set 9: Muscles and Muscle Tissue

Set 10: The Muscular System

Set 11: Fundamentals of the Nervous System and Nervous Tissue

Set 12: The Central Nervous System

Set 13: The Peripheral Nervous System and Reflex Activity

Set 14: The Autonomic Nervous System

Set 15: The Special Senses

Set 16: The Endocrine System

Set 18: The Cardiovascular System: the Heart

Set 19: The Cardiovascular System: Blood Vessels

Set 20: The Lymphatic System and Lymphoid Organs and Tissues

Set 18 The Cardiovascular System The Heart

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Set 18 The Cardiovascular System The Heart

(True False)

Free

Arterial blood supply to heart muscle is continuous whether the heart is in systole or diastole.

Answer

(Multiple Choice)

Free

Normal heart sounds are caused by which of the following events?

A) friction of blood against the chamber walls
B) opening of the heart valves
C) excitation of the sinoatrial (SA) node
D) closure of the heart valves

Answer

(True False)

Free

When released in large quantities, thyroxine, a thyroid gland hormone, causes a sustained increase in heart rate.

Answer