Muscular System
What type of muscle helps you move your arms and legs?
Skeletal muscle
This organ is the main part of the respiratory system where oxygen and carbon dioxide are exchanged.
The lungs
This organ pumps blood through the body.
The heart
What is the name for the hard parts that make up your skeleton?
Bones
What are the 5 senses?
Taste, smell, touch, sight, hearing
What is the purpose of the muscular system?
Movement and regulate body temperature
What tube carries air from your throat to your lungs?
Trachea
These blood vessels carry blood away from the heart.
Arteries
What connects two bones together at a joint?
Ligaments
What parts of the body make up the central nervous system?
Brain and spinal cord
What organ is responsible for pumping blood through the body and what type of muscle is it?
The heart (a cardiac muscle)
What gases are exchanged in the respiratory system?
Carbon Dioxide and Oxygen
These cells help carry oxygen in the blood.
Red blood cells
What protects your brain?
Skull
What is the difference between voluntary and involuntary actions?
Voluntary - controlled consciously (like walking)
Involuntary - happen automatically (like breathing or reflexes)
Name one involuntary muscle in your body.
Heart or muscles in the stomach/intestines
What is responsible for producing our voice?
Larynx
These vessels return blood back to the heart.
Veins
What is made inside the bone marrow?
Blood cells
What are the three types of neurons?
Sensory, relay (interneuron), motor
What happens to your muscles when you don’t use them for a long time?
They weaken or shrink (atrophy)
How does oxygen from the lungs get to the rest of the body?
It travels in the blood through the circulatory system
This fluid carries nutrients, oxygen, and waste products throughout the body.
Blood
How many bones are in the adult human body?
More than 200, exactly 206
What is a reflex and why is it important?
A reflex is a fast, automatic response to a stimulus that protects the body from harm (e.g., pulling your hand away from something hot).