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[DOC File]Biology 12 - Chapter 10 - Circulation
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C4.2 describe how the autonomic nervous system increases and decreases heart rate and blood pressure (pp. 573-575) The heart has its own built in rhythm called the . intrinsic heartbeat. The intrinsic heart rate can be increased or decreased by either _____ or by _____.
pathway of the heart circulation

[DOC File]Biology 12 - The Heart & Circulatory System
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Cardiopulmonary circulation – circulation from the heart to the lungs. Pulmonary artery takes blood from right ventricle to lungs. Pulmonary veins bring oxygenated blood from lungs to left atrium. Aorta takes blood from left ventricle to rest of body. Four heart valves permit flow of blood in one direction. Pump. Heart is a double pump
blood circulation of the heart

Circulation and Heart Valves | Boundless Anatomy and Physiology
Biology 12 - The Heart & Circulatory System. 1. Arterioles small branches of arteries 2. arterial duct connects pulmonary artery to aorta in fetal system to shuttle blood from pulmonary circuit 3. atria top chambers of heart, collect blood from body or lungs, pump to ventricles 4. atrioventricular node AV node: causes ventricles to contract after receiving signal from SA node 5.
circulation of the heart diagram

[DOCX File]Chapter 36 - Circulation
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In higher organisms such as ourselves, circulation is so important that if the heart stops beating for a few minutes, death results. In this chapter, we will learn about the . heart. and how it works, plus the major . vessels. of the circulatory system. The . Circulatory System. consists of: Blood Vessels - carry blood from heart to tissues ...
blood flow through the heart

[DOC File]Biology 12 - The Heart & Circulatory System
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What is the pulmonary circulation? What is the systemic circulation? What is the main function of the heart? Where is the heart located in your body? Your heart has four chambers. What are the names of the upper and lower chambers of the heart? What are arteries and what do they do? What is an arteriole? What are veins and what do they do?
circulation system of the heart

[DOC File]Human Biology - Circulatory System (Estimated Time: 14-16 ...
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Blood returning to the heart from systemic circulation is laden . with carbon dioxide. _____22. Valves in the heart ensure that blood moves through the heart . in a two-way direction. _____23. In the circulatory system, the exchange of nutrients and . wastes occurs in the arteries. ...
circulation of heart flow

[DOC File]Heart and the Circulatory System Assignment
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2.The heart is therefore a double pump serving the lungs and body circulations simultaneously; O 2-poor blood and O 2-rich blood never mix. 3.Since the left ventricle has the harder job of pumping blood throughout the body, its walls are thicker; accordingly, blood pressure is greatest in the aorta.
circulation of blood

[DOC File]Circulatory System – Notes Outline
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Worksheet - Heart & Circulation - Page 2 of 1. Worksheet - Heart & Circulation - Page 3 of 1. Name: Block: Date: Worksheet - Heart & Circulation - Page 1 of 1. Title: Biology 12 - The Heart & Circulatory System Author: Brett Raycroft Last modified by: Microsoft Office User Created Date:
circulation of blood through heart

[DOC File]Circulatory and Respiratory System Test Review
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Heart Structure: Simple Plan of Circulation in mammals. Heart is a double pump; it pumps blood in 2 circuits simultaneously. The right side pumps blood to the lungs and the left side pumps blood to the rest of the body. Double circulation: blood will pass through heart twice in one complete circuit of the body.
pathway of the heart circulation

Circulation of the heart