Feeding the heart with oxygen, the heart gets blood from the to the arteries. O Aortic arch/coronary O Ascending aorta/coronary sinus Ascending aorta/coronary O Descending aorta/coronary

Q: One cell-thick vessels are called:         I.   Arteries       II.   Veins      III.   Capillaries…

A: Blood vessels are the components of the circulatory system, which are essential for transporting…

Q: The left ____________________________ can often be seen superior to the aortic arch as it courses…

A: Structures present surrounding the aorta are pulmonary artery anteriorly, left atrium, right…

Q: A blood platelet flows through a coronary artery that is partially blocked by deposits on its wall.…

A: The type of arteries that surround the entire heart and supplies oxygen continuously for the cardiac…

Q: The lower chambers of the heart are the: A) aortasB) capillariesC) ventriclesD) atriums

A: The organ system is the group of organs that functions together to maintain the biological system of…

Q: Which blood vessel carries blood back to the heart

A: Blood flow continuously in our body through blood vessels. Blood carries oxygen and nutrients to the…

Q: The average pressure in the systemic arteries during an entire cardiac cycle is known as: O…

A: The cardiac cycle is defined as the complete cycle from contraction to relaxation of heart muscles.…

Q: Systole refers to the contraction of thea. major arteries. d. major veins.b. SA node. e. All of…

A: The two periods of the cardiac cycle that is diastole and systole. They will occur as the…

Q: All of the following blood vessels except the _____ are located in the upper limb:- a. cephalic vein…

A: The upper limbs are forelimbs of upright vertebrates. These extend from scapulae and clavicles down…

Q: Which structure is not functioning properly if an electrical device is needed to stimulate the atria…

A: The heart has an electrical conduction system that consists of a highly constricted and controlled…

Q: The cardiac cycle consists of a distinct relaxation andcontraction phase. Which term is typically…

A: The cardiac cycle is the process of contraction and relaxation of the heart. The primary function of…

Q: Which structure is labelled "F"? Aorta Cardiac muscle Inferior vena cava Left atrium Left ventricle…

A: Heart is important organ of body which helps I. Pumping of blood across all the tissues and cells…

Q: Figure 16.10 Which of the following statements about the circulatory system is false?a. Blood in the…

A: The body tissues get blood via various blood vessels. Two closed systems of tubes are made by them,…

Q: To get from the right atrium to the right ventricle, blood flows througha. the pulmonary valve.b.…

A: To get from the right atrium to the right ventricle, blood flows through the right AV valve or…

Q: In terms of blood flow, which of the following follows the right ventricle? aorta O pulmonary veins…

A: Heart is a four chambered muscular organ located in the chest region. There are four ventricles and…

Q: Most blood flowing in all of the following arteries except the _____ is destined to circulate…

A: The fluids that are produced in the body and either circulated within the body or secreted out are…

Q: CIRCULATORY SYSTEM Systemic circuit Artery Valve Pulmonary Circuit Сapillary Vein Нeart

A: Left image : answers are provided from upper to lower blank 1. When blood from heart goes to lung it…

Q: During a heart attack, the blood flow to cardiac muscle tissue is blocked, and cardiac muscle cells…

A: The heart is a major organ in the circulatory system whose function is to pump blood throughout the…

Q: art pumps oxygenate

A: The heart can be defined as the muscular organ present in most of the animals which are responsible…

Q: The outward force that blood exerts on the walls of blood vessels is: O cardiac output. O blood…

A: The outward force that blood exerts on the wall of blood vessels is known as Blood Pressure. Blood…

Q: What is the correct sequence for flow of blood in the heart? o Superior vena cava → right ventricle…

A: The circulatory system delivers oxygen and nutrients to cells and takes away wastes. The heart pumps…

Q: You are a red blood cell on your way to the second metatarsal from the left ventricle of the heart.…

A: "Blood" is a fluid present in humans and animals that aid in transporting essential substances like…

Q: During systemic circulation, blood leaves the __________."   A right atrium and goes directly to…

A: Complete double circuit circulatory system is found in crocodiles, birds and Mammals. Their heart is…

Q: the upper chambers (rooms) pf the heart are known as

A: The heart is the vital organ of the body, located in the middle and front of the chest and slightly…

Q: Label the following parts of the heart on Figure Aosta O Anterior interventricular artery A Aorta O…

A: The heart is a muscular organ which is about the size of a fist. It is located just behind and…

Q: The microvasculature consists of arterioles, capillaries, and postcapillary venules O False O True

A: Introduction :- A system of channels called a microvascular network is responsible for distributing…

Q: After passing through the inferior vena cava blood passes through the A coronary sinus B posterior…

A: The cardiovascular system, also known as the circulatory system, is made up of a blood pumping…

Q: Which chamber of human heart pumps fully oxygenated blood to aorta and hence to the body?   A.…

A: The human circulatory system consists of three main parts: lungs, heart, and blood vessels including…

Q: Given these veins:(1) brachiocephalic (3) superior vena cava(2) internal jugular (4) venous…

A: The brain is a structure of the central nervous system and process and interprets sensory…

Q: The main pacemaker area of the heart is the: O Bundle branches O AV node SA node Purkinje fibers

A: Given: The heart is a muscular organ which is as big as our fist.It is located between the lungs in…

Q: Inside the heart: Identiity and puimo (mitral valve), right atrlum, left atrlum, right ventricle,…

A: The heart is a vital organ of the body. Its size is equal to a fist. It is a muscular organ whose…

Q: Which of the following best describes an artery? O Arteries carry blood away from the heart. O…

A: The heart is a muscular organ situated behind and left of the breastbone. The circulatory system,…

Q: Which primitive area of the heart will give rise to theright ventricle?a. bulbus cordisb. primitive…

A: Heart is a hollow muscular organ. It pumps blood through the blood vessels of circulatory system.…

Q: Which among the following carriesimpure blood from human heart to lungs?A. AortaB. Pulmonary veinC.…

A: The blood acts as an important medium to carry substances such as oxygen, carbon dioxide, hormones,…

Q: the heart during a single complete are True/False. The duration of systole exceeds that o

A: The cardiac cycle is defined as the period between the start of one heartbeat to the start of the…

Q: Which chamber initially receives blood from thesystemic circuit?a. left atriumb. left ventriclec.…

A: The heart is a hollow muscular organ that pumps the blood through the circulatory system by rhythmic…

Q: one: a. Aortic bodies only b. Carotid body only . Vagus nerve d. Glossopharyngeal nerve e. Carotid…

A: The chemicals in the blood may be present in the form of carbon dioxide and oxygen gases which may…

Q: Blood flows from the superior vena cava right into the right atrium of the heart. TRUE OR FALSE

A: Superior vena cava brings deoxygenated blood from the upper part of the body.

Q: From which chamber of the heart does blood leave to go to the body: O Left atrium O Both left…

A: Please follow step 2 for detailed explanation.

Q: (a) (b) The part of the illustration in the middle (b) shows O Pressure at which you would hear the…

A: This illustration shows the process of measuring arterial blood pressure using sphygmomanometer and…

Q: What normally serves as the pacemaker of the entire heart? O Purkinje fiber system O…

A: Introduction: The heart has a specialized cardiac musculature known as nodal tissue (distributed in…

Q: What valve prevents the backflow of blood from the right ventricle into the right atrium? right…

A: One of the most essential systems in the human body is the circulatory system. It is made up of the…

Q: The subendocardial layer contains O all of them elastic and collagen fibers and smooth muscle cells…

A: Introduction There are three layers present our heart wall. The outer layer is called epicardium,…

Q: Blood enters into the heart because of muscles of ventricles contract O ventricles relax atria…

A: The cardiovascular system is often known as the blood-vascular system or simply the circulatory…

Q: The right side of the heart pumps the blood the heart the lungs. to, from from, to O to, to O from,…

A: The heart is a solid muscular organ about the size of a clench hand, found simply behind and…

Q: O the shutting of the heart valves

A: Option C . The shutting of heart valves

Q: A heart showing no electrical activity (i.e. a flat line on the ECG) is in O heart block O…

A: We all know that if the heart is beating then it will show its electrical activity in the ECG.  But…

Q: The first heart sound (S1) is caused by: O The aortic and pulmonary valves closing as ventricular…

A: heart is the organ which helps in pumping blood to all parts of the body .it produce sounds which is…

Q: The vein that collects most of the venous blood from below the diaphra O superior vena cava O…

A: Heart is situated in the thoracic cavity;present between two lungs; and is slightly tilted towards…

Q: Oxygen and Carbon Dioxide are exchanged from the blood to cells here: A) ArteriesB) PlateletsC)…

A: Oxygen is used by cells for the process of cellular respiration while carbon dioxide is produced as…