Biology

Biology, 19.07.2019 22:30, midhin

The circulatory system includes which of the following? a. the heart only c. the heart and the brain b. the heart and blood vessels d. none of the above

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Health, 26.07.2019 21:00, mj200442

Which of the following is the correct definition for the circulatory system? a. tiny blood vessels that distribute oxygen-rich blood to the body. b. any of the muscular elastic tubes that form a branching system and that carry blood away from the heart to the cells, tissues, and organs of the body. c. consisting of the heart, blood vessels, and blood, this system circulates blood throughout the body, delivers nutrients and other essential materials to cells, and removes waste products. d. blood vessels which carry blood from the capillaries toward the heart.

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Biology, 24.08.2019 08:20, rachelacarman

The circulatory, or cardiovascular system, is composed of a. heart, arteries and veins. b. lungs, heart and brain. c. heart, blood and blood vessels. d. lungs, blood vessels and heart.

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Biology, 29.08.2019 08:20, jorgefrom584

The circulatory, or cardiovascular system, is composed of a. heart, arteries and veins. b. lungs, heart and brain. c. heart, blood and blood vessels. d. lungs, blood vessels and heart.

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Biology, 17.09.2019 05:30, hinacat87

1. cells that protect the body by engulfing foreign cells or producing antibodies are a. red blood cells b. cilia c. platelets d. white blood cells 2. the circulatory system includes the a. lungs, heart, and brain b. lungs, blood vessels, and heart c. heart, blood, and blood vessels d. heart, arteries, and lymph 3. the protein found in red blood cells that transports oxygen is called a. hemoglobin b. fibrinogen c. prothrombin d. thrombin 4. the large flat muscle that contracts and alters the volume of the chest cavity is the a. trachea b. epiglottis c. diaphragm d. larynx 5. another name for a fertilized egg is a a. gastrula b. placenta c. blasocyst d. zygote 6. which of the following is not an endocrine gland? a. pituitary gland b. parathyroid gland c. sweat gland d. adrenal gland

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