Plant and Animal Organs & Systems

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Questions and Answers

Which of the following describes the primary function of the shoot system in plants?

  • Storing excess food produced during photosynthesis.
  • Anchoring the plant in the soil and absorbing water and nutrients.
  • Transporting water and nutrients from the roots to the leaves.
  • Synthesizing sugars through photosynthesis and enabling reproduction. (correct)

Which animal organ system primarily facilitates the exchange of gases between the organism and its environment?

  • Respiratory system (correct)
  • Excretory system
  • Circulatory system
  • Digestive system

Which of the following plant organs is primarily responsible for the uptake of water and nutrients from the soil?

  • Stem
  • Leaves
  • Roots (correct)
  • Flower

Which of the following represents a key difference in the respiratory systems of frogs compared to humans?

<p>Frogs can exchange gases through their skin, whereas humans cannot. (C)</p>
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Homeostasis is crucial for the survival of organisms. Which of the following best describes the process of homeostasis?

<p>Maintaining a stable internal environment despite external changes. (D)</p>
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Which system is responsible for transporting oxygen, nutrients, and hormones throughout the body?

<p>Circulatory system (A)</p>
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How do the respiratory and circulatory systems work together to maintain homeostasis in animals?

<p>The respiratory system exchanges gases, and the circulatory system transports these gases to and from cells. (D)</p>
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Which of the following describes the main function of the digestive system?

<p>Breaking down food into smaller molecules for absorption. (B)</p>
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What could happen if the excretory system fails to remove waste products effectively?

<p>Toxic substances would accumulate in the body, disrupting normal functions. (A)</p>
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Which medical condition is directly associated with a failure of the pancreas to regulate blood sugar levels effectively?

<p>Diabetes (D)</p>
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If a plant's root system is damaged, which of the following functions would be most directly affected?

<p>Water and nutrient absorption (C)</p>
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In a human, which structure facilitates the exchange of oxygen and carbon dioxide between the air and the blood?

<p>Alveoli (D)</p>
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How do the leaf and root systems in a plant depend on each other?

<p>Leaves produce sugars for the plant, while roots absorb water and nutrients needed for photosynthesis. (A)</p>
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Which sequence correctly traces the pathway of air during inhalation in humans?

<p>Mouth/Nose → Larynx → Trachea → Bronchi → Alveoli (A)</p>
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The stomach is an organ that plays a crucial role in which animal system?

<p>Digestive System (A)</p>
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Which of the following is the primary function of the flower in plant reproduction?

<p>Attracting pollinators and facilitating seed production. (B)</p>
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Which scenario exemplifies a plant's response to maintain homeostasis?

<p>A plant shedding leaves in the fall to conserve water. (C)</p>
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What distinguishes a plant organ from a plant tissue?

<p>An organ is composed of different tissues that work together, while a tissue is a group of similar cells performing a specific function. (C)</p>
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Considering the differences between frog and human anatomy, which adaptation allows frogs to survive both in water and on land?

<p>The ability to exchange gases through their skin in addition to lungs. (C)</p>
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How does the circulatory system respond to a stressful situation requiring increased physical activity?

<p>By increasing heart rate and dilating blood vessels to deliver more oxygen and nutrients to muscles. (D)</p>
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Flashcards

Organs

Structures composed of different tissues working together to perform specific functions. Examples in plants include flowers, roots, stems, and leaves. In animals, examples include skin, heart, stomach and lungs.

Organ Systems

Collections of organs that work together to perform major bodily functions. In plants these are the root and shoot systems. In animals these include the digestive, circulatory, and respiratory systems.

Homeostasis

The maintenance of a stable internal environment in the body, despite external changes.

Root System

The plant organ system that anchors the plant, absorbs water and nutrients from the soil, and stores food.

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Shoot System

The plant organ system that supports the plant, transports water and nutrients, and performs photosynthesis.

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Digestive System (Animal)

Breaks down food into smaller molecules that can be absorbed by the body.

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Circulatory System (Animal)

Transports oxygen, nutrients, and hormones throughout the body and removes waste products.

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Respiratory System (Animal)

Exchanges gases (oxygen and carbon dioxide) between the body and the environment.

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Study Notes

  • Organs in plants include the flower, roots, stem, and leaf.
  • Organs in animals include the skin, heart, stomach, and lung.
  • It is important to understand the function of each organ, be able to label them in diagrams, and know the tissues that compose them.
  • Plant organ systems consist of the root and shoot systems.
  • Animal organ systems include the digestive, circulatory, and respiratory systems.
  • Knowledge of these systems, their functions, pathways, and key structures is essential.
  • Understand how and where these systems interact closely, detailing the structures and processes involved.
  • Grasp how the systems collaborate and recognize potential medical conditions that may arise.
  • Homeostasis is the mechanism by which the body maintains or restores balance after stress.
  • There are differences between frog and human systems.

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