Heart Parts
What is the first CHAMBER where blood enters into the heart?
Right atrium
What does your circulatory system transport?
Oxygen, nutrients, waste
What does the brain stem do?
Regulates breathing, digestion, heartbeat
What cells are part of the nervous system?
Neurons
What is the average resting heart rate?
60 beats per minute
Through which BLOOD VESSEL does deoxygenated blood first enter the heart?
Vena cava
Why does your heart rate increase when you exercise?
To bring more oxygen to your muscles
What does the pituitary gland do?
Releases hormones
What parts of the body make up the Central Nervous System?
Brain and spinal cord
Approximately how large is your heart?
Size of your fist
Which BLOOD VESSEL transports oxygenated blood to the rest of the body?
Aorta
What is the difference between arteries, veins, and capillaries?
Artery: away from the heart
Vein: to the heart
Capillary: thin blood vessels that transport nutrients, gases, and wastes
What does the thalamus do?
Relay center for sensory information to the cerebrum
What parts of the body make up the Peripheral Nervous System?
Nerves throughout your body
Who received a frontal lobotomy and what happened to him afterwards?
Phineas Gage, drastic personality change
Which CHAMBER pumps oxygenated blood out of the heart?
Left ventricle
What do the different parts of blood do?
Red blood cells: carry oxygen, gives red color
White blood cells: fight germs
Platelets: clot blood
What does the cerebellum control?
Balance and posture, coordination of movement
What do dendrites do?
Receive information from other neurons
What is the top part of the brain called?
Cerebrum
Why does the heart need one way valves?
To keep deoxygenated and oxygenated blood flowing in the right direction
What does hemoglobin do?
Picks up oxygen in the lungs
What does the hypothalamus do?
Regulates temperature, sleep, and pituitary gland
What does the axon do?
Carries information to other neurons
What does the myelin sheath do?
Insulates the electrical signal through the axon