What is another name for the windpipe?
Trachea
Where does chemical and physical digestion begin?
in the mouth
True or False: Some of the blood in our body is blue.
False
Name one organ from the excretory system.
EITHER...ureter, urethra, kidney, bladder
What is homeostasis?
Is when your body keeps everything inside balanced and stable so it can work properly
What happens if the epiglottis does not close when you swallow food?
Food will get in your windpipe
In which organ does most nutrient absorption take place?
small intestine
Which type of blood vessel carries blood away from the heart?
Artery
Which body system filters wastes and toxins from the blood?
Kidneys
What is an example of homeostasis in response to exercise and rest?
During exercise you breathe faster, sweat, and heart beats faster.
During rest you everything begins to slow down and return to normal
What is the main function of the alveoli in the lungs?
gas exchange
What happens to food after you swallow it?
It goes into the esophagus and into the stomach.
Which component of blood fights infections?
White Blood Cell
What would happen if your kidneys stopped working?
Waste would build up in your body.
What does your body do to maintain homeostasis when you get too hot?
sweat
What is the main function of the respiratory system?
To bring in oxygen and remove carbon dioxide.
What is the main job of the digestive system?
Break down the food we eat into nutrients, which the body uses for energy, growth, and repair and to get rid of what the body does not need.
What might happen to your body if the valves in your heart didn’t work properly?
Blood might not flow in the right direction
How does the excretory system maintain homeostasis in the body?
By removing waste and extra water from the body
How does the immune system help protect you from getting sick?
White blood cells attack what appears to not belong. Sometimes the body makes antibodies that help fight the germ faster if it comes back.
How does your body adjust when you exercise and need more oxygen, and what role does the respiratory system play in helping you keep up with that need?"
respiratory system helps by making you breathe faster and deeper.
Why is the small intestine so long, and how does its structure help it absorb nutrients?
To absorb as many nutrients as possible.
What would happen if there was a blockage in a major artery?
It would stop blood from flowing properly to parts of the body
Why is it necessary for the circulatory, respiratory, digestive, and urinary systems to work together?
RS- brings oxygen into your body and gets rid of carbon dioxide.
CS- carries oxygen and nutrients from food to your cells and takes away waste like carbon dioxide and other toxins.
DS- breaks down food into nutrients your body can use for energy and growth.
US- removes extra water and waste products from the blood to keep your body balanced.
Where does cellular respiration take place in your body and what is its purpose?
The mitochondria, to create energy that the cell can use.