Digestive
What is the main function of the stomach?
To break down food using acids and enzymes.
What is the primary organ of the respiratory system?
Lungs.
What are the two main parts of the nervous system?
Central nervous system and peripheral nervous system.
What is the main function of the skeleton?
To provide structure and support to the body.
What is the main organ of the circulatory system?
Heart.
Name the organ where most nutrient absorption occurs.
Small intestine.
What gas do we inhale that is essential for life?
Oxygen.
What is a neuron?
A nerve cell that transmits signals throughout the body.
What type of bones are the ribs?
Flat Bones
What are the two types of circulation in the body?
Systemic and pulmonary circulation.
What is the role of the liver in digestion?
To produce bile, which helps digest fats.
Explain the process of gas exchange in the alveoli.
Oxygen enters the blood, and carbon dioxide is expelled.
What is the function of the spinal cord?
To transmit signals between the brain and the rest of the body.
What is the role of muscles in the body?
To facilitate movement by contracting and relaxing.
What do red blood cells do?
They carry oxygen throughout the body.
What process moves food through the digestive tract?
Peristalsis
What is the role of the diaphragm in breathing?
It contracts to allow the lungs to expand and fill with air.
Name one major function of the brain.
To process and coordinate sensory information.
Name the three types of muscle tissue.
Skeletal, cardiac, and smooth muscle.
How do arteries differ from veins?
Arteries carry blood away from the heart, while veins carry blood to the heart.
Describe how the pancreas aids in digestion.
It produces digestive enzymes and hormones like insulin.
How does smoking affect the respiratory system?
It damages lung tissues and decreases lung function.
How do reflex actions work?
Reflex actions are automatic responses that occur without conscious thought
How do tendons function in the muscular system?
Tendons connect muscles to bones, allowing for movement.
What is blood pressure and why is it important?
Blood pressure measures the force of blood against the walls of arteries; it's important for understanding heart health