the intricate network of blood vessels responsible for transporting blood throughout the body is the
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ATI TEAS 7

TEAS 7 science quizlet

1. Which of the following is the intricate network of blood vessels responsible for transporting blood throughout the body?

Correct answer: B

Rationale: The circulatory system, comprising the heart, blood vessels (arteries, veins, and capillaries), and blood, is responsible for transporting blood, oxygen, nutrients, and waste products throughout the body. The lymphatic system aids in maintaining fluid balance and fighting infections; the nervous system transmits signals. The respiratory system facilitates the exchange of oxygen and carbon dioxide in the body, which is distinct from the circulatory system's role in blood transport. Therefore, the correct answer is the Circulatory system (Choice B). Choices A, C, and D are incorrect as they do not pertain to the intricate network of blood vessels responsible for transporting blood throughout the body.

2. Which of the following areas has the least amount of sweat glands?

Correct answer: B

Rationale: The correct answer is B - Palms. The palms have the least amount of sweat glands compared to the other options listed. The back, axilla (armpits), and forehead are all areas with a higher concentration of sweat glands in the body. The palms have fewer sweat glands to minimize water loss and maintain a better grip for activities requiring precise and controlled movement. The back, axilla, and forehead have more sweat glands to assist in thermoregulation and cooling of the body, while the palms have fewer sweat glands for functional reasons related to grip and dexterity.

3. What is the end product of glycolysis?

Correct answer: D

Rationale: The correct answer is D: Pyruvic acid. The end product of glycolysis is pyruvic acid, not lactic acid, ATP, or NADPH. Pyruvic acid is a key intermediary in cellular respiration and can be further metabolized to produce energy through processes like the citric acid cycle and oxidative phosphorylation. Lactic acid is produced in the absence of oxygen during fermentation, ATP is a product of cellular respiration but not the direct end product of glycolysis, and NADPH is generated in other metabolic pathways such as the pentose phosphate pathway, not in glycolysis.

4. What are the three main types of muscle tissue in the human body?

Correct answer: A

Rationale: The three main types of muscle tissue in the human body are smooth muscle (involuntary), cardiac muscle (involuntary), and voluntary skeletal muscle. Smooth muscle is found in the walls of hollow organs, cardiac muscle is found in the heart, and skeletal muscle is attached to bones and is under voluntary control. Option A correctly identifies these three main types of muscle tissue in the human body. Choice B is incorrect because it lists skeletal muscle as involuntary, which is not accurate. Choice C is incorrect because it lists voluntary smooth muscle, which does not exist as smooth muscle is involuntary. Choice D is incorrect because it uses terms like striated, non-striated, and epithelial, which are not the main types of muscle tissue but rather descriptions related to muscle characteristics and location.

5. What is the process of a gas changing into a liquid called?

Correct answer: C

Rationale: Condensation is the process where gas particles release energy, slow down, and come together to form a liquid. This phase change occurs when the temperature of the gas decreases, causing the particles to lose energy and transition into the liquid state. In condensation, the gas loses heat energy, leading to a decrease in kinetic energy, which allows the particles to come closer together and form a liquid. This transformation is commonly observed when water vapor in the air cools down and turns into liquid water droplets, seen as dew or fog. Evaporation (choice A) is the opposite process where a liquid changes into a gas. Boiling (choice B) is the rapid phase change from liquid to gas that occurs at a specific temperature. Sublimation (choice D) is the direct transition of a substance from the solid phase to the gas phase without passing through the liquid phase.

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