1. **Body Systems:**
- Circulatory System: responsible for transporting oxygen, nutrients, and waste throughout the body.
- Respiratory System: responsible for taking in oxygen and expelling carbon dioxide.
- Digestive System: responsible for breaking down food, absorbing nutrients, and eliminating waste.
- Nervous System: controls and coordinates the body's functions through electrical signals.
- Skeletal System: provides support, protection, and movement for the body.
- Muscular System: allows movement and provides strength and stability.
2. **Plant Structures:**
- Roots: anchor the plant, absorb water and nutrients from the soil.
- Stems: support the plant, transport water and nutrients between the roots and leaves.
- Leaves: photosynthesize to produce food for the plant.
- Flowers: reproductive structures that produce seeds for new plants.
- Fruits: contain seeds and help in seed dispersal.
- Vascular Tissue: xylem transports water and minerals, phloem transports sugars and other nutrients.
3. **Interactions between Body Systems and Plant Structures:**
- Both body systems and plant structures have specialized organs and tissues that work together to carry out specific functions.
- Both rely on transport systems to move essential substances throughout the organism.
- Both respond to external stimuli and environmental changes to maintain homeostasis.
4. **Key Concepts for Exam:**
- Understand the functions and structures of major body systems and plant organs.
- Know the interactions and dependencies between different body systems and plant structures.
- Be able to explain how disruptions in one system or structure can impact the overall health and function of the organism.
Unit 8 - Body Systems and Plant Structures
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