What gas do you inhale?
oxygen
What blood vessel brings blood away from the heart?
artery
What are nerve cells called?
neurons
What is the name of the tube that goes down your throat with cartilage rings?
trachea
What are the three parts of the circulatory system?
heart, blood, blood vessels
Name the five senses.
touch, taste, smell, see, hear
Where does gas exchange occur in the lungs?
alveoli
Where does gas exchange happen between the circulatory system and the rest of the body?
capillaries
What 2 things make up the Central Nervous System?
brain and spinal cord
The trachea branches off into two tubes that lead into your lungs, known as..
bronchus (bronchi = plural)
What is the purpose of the circulatory system?
transport nutrients, gases, and wastes through the body
How do plants respond to a light stimulus?
Grow towards it!
What is the purpose of the respiratory system?
exchange gas between the body and the environment
Name the upper and lower chambers of the heart
upper = atria, lower = ventricles
Explain the pathway for the Nervous System when you touch something that hurts you, starting with your touch receptors sending a signal.
touch receptors in sensory neurons --> brain --> motor neurons in hand to move!