Respiratory System
You can count your breaths to determine what?
Respiratory Rate
This organ makes bile to help break down food
Liver
These cells carry oxygen and nutrients to other cells and carry carbon dioxide away
Red Blood Cells
The main job of this organ is to bring oxygen into your body when you inhale, and let carbon dioxide out when you exhale
Lungs
This pair of thin, muscular tubes carry urine from the kidneys to the bladder
Ureters
These blood vessels carry oxygen rich blood from the heart to all parts of the body
Arteries
What are the 2 main parts of the Central Nervous System
Brain and spinal cord
Adults have how many bones?
206
Your nose uses this goopy substance to help filter out dust, dirt, and other particles
Mucous
This carries food from the mouth to the stomach
Esophagus
These cells carry electrical messages that control the body
Nerve Cells
The bronchioles branch into small air sacs called what?
Alveoli
These filtering organs help your body get rid of waste
Kidneys (and Liver)
These blood vessels carry oxygen depleted blood back to the heart
Veins
The spinal cord extends from the lower part of the brain down through the spine. Along the way, ______ branch out to the entire body.
Nerves
These elastic fibers contract and release to make us move
Muscles
What key resource cannot be store in the body for very long?
Oxygen
This gland releases enzymes for digestion as well as insulin which helps turn the body's food into energy
Pancreas
This strong type of cell contracts to make us move
Muscle cell
When you breathe in, your ________ pulls down and air rushes into your lungs
Diaphragm
This hollow, muscular, balloon-shaped organ expands as it fills with urine
Bladder
This muscular organ pumps blood to all parts of your body
Heart
The brain and the spinal cord are protected by what bones?
Skull, Vertebrae
Which bones protect our most vital organs
Skull, Vertebrae, Rib cage, Sternum
When you breathe in, air moves through your nose and mouth, then through the _______
Trachea
This is the organ where most digestion takes place
Small intestine
How fast to nerve signals travel
322 km/h
The trachea branches into two tubes called what?
Bronchus Tubes
The bladder can hold approximately how much urine at one time?
400-500ml
If you laid all your blood vessels end to end, how long would they be?
100,000km
What branching fibers form the main part of the Peripheral Nervous System
Nerves
These bands of tissue connect muscles to bone
Tendons
The bronchus tubes in the lungs branch into smaller tubes called what?
Bronchioles
This organ stores bile and releases it to help digest the fats in our food
Gallbladder
Your body is made up of trillions of tiny ________
Cells
The loop of blood vessels that runs from the heart to the lungs and back is called?
Pulmonary Loop
Your kidneys filter approximately how much blood every day?
110 liters
What colour is oxygen depleted blood?
Darker Red
All the automatic things that your body needs to do to keep you alive such as breathing and digesting are controlled by what part of the nervous system?
Autonomic System
Which muscles help to hold you upright?
Abdominals
Breathing is also known by what scientific name
Respiration
Which organ can partially regrow itself?
Liver
These cells defend our body from infection
White Blood Cells
This small flap allows air to flow into the lungs and prevents food from entering the trachea.
Epiglottis
The Excretory System is sometimes called by what other name (2 possible answers)?
Urinary System or Endocrine System
Average Heart Rate for humans is what? (Beats per minute, BPM)
80-100 Beats per Minute
This system carries sensory information to the brain and carries commands from the brain to all parts of your body
Somatic System
These straps of tissue hold our joints together and prevent hyperextension
Ligaments