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The heart rate is controlled by the opposing actions of sympathetic and parasympathetic nerves and by the action of epinephrine released from the adrenal gland. Norepinephrine, released by sympathetic nerves in the heart, and epinephrine, released by the adrenal gland, increase the heart rate, while acetylcholine, released from parasympathetic nerves, decreases
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What are the 3 main human body systems?
heart lungs liver
What are the 3 main parts of the skeletal system'?
The human skeleton is made up of three main parts. These parts are the bones, the cartilages, and the joints.
3 main parts of a body system?
(1) Brain (2) Heart (3) liver
Where are the 3 main veins in the human body located?
They are located near the heart
What parts of a human body weighs 3 pounds?
heart brain liver kidney
What are the parts in the circulatory system including the arteries?
The human body has 3 main parts:The heartThe bloodThe blood vesselsSometimes people count the fluid lymph, and the vessels that carry it in them, parts of the circulatory system.A few of the parts of the heart are ventricles, arteries, valves, the septum, and the atria. The pumping sound of the heart comes from valves opening and closing.
What are the 3 three parts of the human body?
The three main parts of the human body are the head, torso, and limbs. The head includes the brain and sensory organs, the torso houses vital organs like the heart and lungs, and the limbs, including arms and legs, enable movement and manipulation.
How many parts are there in the human brain?
The human brain is typically divided into three main parts: the cerebrum, cerebellum, and brainstem. Each part has specific functions and plays a crucial role in the overall functioning of the brain.
How many parts is the heart divided?
The human heart is most often divided into 4 pieces called chambers 2 parts
Can you divided a heart into 3 equal parts?
NO
What are main parts of the brain?
The 3 main parts of the brain are 1. Cerebrum 2. Cerebellum 3. Brain Stem
What part in the circulatory system is important?
Well technically all of it. If you didn't have one part to it you would be dead. But their are 3 main parts to it, the heart, veins, and capillaries.
