The video explains the seven levels of organization in the human body, starting from the chemical level with atoms and molecules, progressing through organelles, cells, tissues, organs, systems, and culminating in the organism level. Each level is described in terms of its components and functions, illustrating how they contribute to the overall structure and function of the human body.

What is the first level of organization in the human body?

• Tissue level

• Organ level

• Cellular level

• Chemical level

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What do atoms combine to form?

• Molecules

• Tissues

• Organs

• Cells

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What are organelles made up of?

• Cells

• Organs

• Chemical groupings

• Tissues

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What is the smallest unit in the body that shows the basic characteristics of life?

• Tissue

• System

• Cell

• Organ

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Approximately how many cells are estimated to be in the human body?

• 1 trillion

• 100 trillion

• 1 billion

• 1 million

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What surrounds tissue cells?

• Membrane

• Nucleus

• Matrix

• Cytoplasm

Which of the following is NOT a major type of tissue in the body?

• Connective tissue

• Bone tissue

• Muscle tissue

• Nervous tissue

What is an example of an organ in the human body?

• Neuron

• Skin

• Heart

• Muscle

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How many major systems are there in the human body?

• 11

• 9

• 7

• 5

Which system is responsible for transporting oxygen to various parts of the body?

• Respiratory system

• Digestive system

• Cardiovascular system

• Nervous system