Circulatory & Respiratory systems
What is the main organ in the circulatory system and what kind of muscle is it?
Heart and Cardiac muscle
What is cardiac muscle? Is it Voluntary or Involuntary?
Muscle that is found in your heart.
Involuntary
What are some of the waste products excreted in the excretory system?
Co2, sweat, urine
What is the most important part of your body that controls everything?
Brain
What are the parts of the digestive system?
Mouth, Small intestine, Large intestine, Stomach
What is the main organ in your respiratory system? What kind of muscle can you find in your diaphragm?
Lungs and smooth
What is skeletal muscle? Is it voluntary or involuntary?
Muscle that is attached to the skeleton.
Voluntary
What are the parts of the excretory system?
Kidneys, bladder, skin
What is the difference between internal and external stimuli? Can you give an example of each?
Internal- Inside your body.
External- Outside of your body gathered by your senses
Why does your stomach grumble, and how does your digestive system tell your brain you need to eat?
Air moving through your digestive tract and hunger signals
What is the main point of the circulatory system?
To supply oxygen to your body through your blood, arteries, and veins
What is smooth muscle? Is it voluntary or involuntary?
Muscle that is typically found in your organs.
Involuntary
What organ is responsible for filtering liquid waste out of your blood?
Kidneys
How does your brain communicate with the rest of your body?
It sends signals through the nervous system
Where do humans get their energy from?
Food and calories
What is the main point of the respiratory system?
Gas exchange: oxygen in, co2 out
What kind of muscle is in your digestive system? Is it voluntary or involuntary?
Smooth and involuntary
Why do humans sweat?
To maintain body temperature 98.6 degrees F
What are the parts of the nervous system?
Brain, spinal cord, nerves
What are the functions of the Stomach, small intestine, and large intestine?
Stomach: Acids and muscles break down food
Small intestine: Absorbs nutrients from food
Large Intestine: Absorbs water
Explain how they connect
Respiratory system allows you to breathe oxygen in your lungs, blood goes to your lungs to get oxygen and release co2, you breathe out the co2, blood goes to your body to supply it oxygen.
How does the muscular system get oxygen?
With the help of the respiratory system and circulatory system.
Oxygen breathed in, blood oxygenated, blood goes to muscles, exchanges co2 for oxygen in muscle, brings blood back to lungs, co2 breathed out.
What is the main point of the excretory system?
To dispose of waste and control body fluid levels
IS your body a closed circuit or open?
Closed! all of the systems are controlled and connected by the brain
What is the main function of the digestive system?
To break down food into substances that cells absorb and use.