Cardiovascular/Respiratory
Systems
Systems
What is the primary organ of the respiratory system?
The lungs
What is the first part of the digestive system where food enters?
The mouth.
What is the main function of bones?
To provide structure and support to the body.
What is the basic unit of the nervous system?
Neuron
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Name the two types of blood vessels that carry blood away from the heart and back to the heart.
Arteries carry blood away from the heart, and veins carry blood back to the heart.
What organ produces bile to help digest fats?
The liver.
What connects muscles to bones?
Tendons.
What part of the brain is responsible for balance and coordination?
The cerebellum
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What are the four main blood types?
A, B, AB, and O.
Which part of the digestive system is responsible for absorbing most nutrients?
The small intestine
What type of tissue cushions bones at joints?
Cartilage
What is the function of the spinal cord?
To transmit signals between the brain and the rest of the body.
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What is the role of red blood cells in the circulatory system?
Red blood cells transport oxygen from the lungs to the body's tissues.
What is the function of the gallbladder?
To store and concentrate bile.
Name the three types of muscles found in the human body.
Skeletal, smooth, and cardiac.
What are the two main divisions of the nervous system?
The central nervous system (CNS) and the peripheral nervous system (PNS).
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Explain how the diaphragm contributes to breathing.
The diaphragm contracts to create negative pressure in the chest cavity, allowing air to flow into the lungs.
Describe the role of the pancreas in digestion
Helps make insulin that stabilizes blood sugar
What is the role of joints in the skeletal system?
To allow movement between bones.
What is the role of neurotransmitters in the nervous system?
They transmit signals across synapses between neurons.
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"Lay back its all been done before"
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