Skeletal & Muscular Systems
Organize the following components from smallest to largest: organ systems, tissues, organs, cells
cells - tissues - organs - organ systems
What 3 components make up your nervous system?
It includes your brain, spinal cord, and nerves
What are the 2 types of digestion?
mechanical digestions and chemical digestion
This is the tiny air sacs where gas exchange occurs.
aveoli
What do tendons do?
Connect muscle to bone
What role do sensory neurons play in the nervous system?
They send information from senses to the brain
During chemical digestion, enzymes break down proteins to form a mixture called what?
chyme
This is prevents food from entering the lungs.
Epiglottis
What is cartilage and what is its purpose?
A flexible tissue that reduces friction in joints.
Which part of the brain is responsible for coordination and balance?
Cerebellum
What nutrient is essential for growth and cell repair.?
proteins
What carries blood away from the heart?
Arteries
What is an involuntary muscles and give an example?
Muscles you can’t control (e.g., heart, stomach).
Why is the spinal cord often referred to as an 'information highway'?
It carries messages between the brain and the body
Carbohydrates provide quick energy, but what nutrient is stored energy?
Fats
Smoking damages the WHAT in the trachea, making it harder to clear out mucus?
Cilia
What organ does Epithelial Tissue form?
skin
What is the difference between the Central Nervous System and Peripheral Nervous System?
Central Nervous System (CNS): Brain and spinal cord
Peripheral Nervous System (PNS): All the nerves outside the CNS
What are 3 types of waste?
Types of waste include digestive waste, carbon dioxide (exhalation), and sweat.
Describe the gas exchange between the aveoli and blood.
Oxygen Exchange: Oxygen moves from alveoli to blood in capillaries.
Carbon Dioxide: Carbon dioxide from blood moves into alveoli to be exhaled.