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unit 1 science

QuestionAnswer
what is the basic unit of structure and function in all living things? cell
Which organelle is known as the 'powerhouse of the cell'? mitochondria
What is the main function of the nucleus in a cell? stored genetic information
Which structure controls what enters and leaves the cell? cell membrane
Plant cells can make their own food because they contain: chloroplasts
Which correctly describes the order of organization in multicellular organisms? Cells → Tissues → Organs → Organ systems
Specialized cells in the stomach that release digestive enzymes are an example of: Cells with a specific function
Which group of cells forms muscle tissue? muscle cells
Which best explains why cells in the same organism can look and act differently? They express parts of the same DNA
Which is the highest level of organization in the human body? Organ system
The circulatory and respiratory systems work together mainly to: Transport oxygen to body cells
Which system interacts directly with the skeletal system to produce movement? Muscular
What is the main function of the digestive system? To break down food and absorb nutrients
Which system regulates body responses through hormones? Endocrine
Which two systems work together to protect the body from disease? Circulatory and immune
Sensory receptors in your skin detect: Pressure, temperature, and touch
The eyes send information to the brain by using: Nerves
Which part of the body processes information from sensory receptors? brain
When you smell fresh popcorn, which sequence describes the process? Nose receptors detect smell → Nerves carry message → Brain interprets
If someone touches a hot stove and quickly pulls away, which two systems are interacting? Nervous and muscular
Created by: s76841
 

 



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