Bones
What does a bone joint do?
Allows the body to move and bend
What is the primary function of the muscular system??
movement of the body
What system in the body does the heart support?
The circulatory system (blood flow)
What is the primary function of the ungs?
To bring in oxygen and get rid of carbon dioxide
What are the structures that make up the digestive system? Name two body parts
Mouth, pharynx, esophagus, stomach, pancreas, small intestine, liver, gallbladder, and large intestine.
Name a joint on the body
Ball & socket - shoulder, hip
Hinge joint - elbow & knee
Pivot joint - neck
there are two types of muscle action, what are they?
Voluntary - you make them move
Involuntary - move without you thinking
Name something the heart does
Pumps blood, moves oxygen, maintains blood pressure, pumps hormones and other vital chemicals to different parts of the body
What are the body parts that make up the respiratory system?
Nose, pharynx, larynx, trachea, bronchi, lungs, bronchioles, and alveoli
What are the two types of digestion?
Mechanical digestion - (Chewing) physically breaking, ripping, smashing (etc.) into smaller pieces.
Chemical digestion - using digestive enzymes to breakdown food into smaller molecules
What lubricates the joints?
Water - reduces friction
Name three muscles
Bicep, triceps, quadriceps, gluteus, pectoral, the heart
what does an artery do and what does a vein do?
Artery moves blood away from the heart
Veins move blood to the heart
What are the small fibers inside the lungs?
Cilia. They are tiny, hair-like structures on the cells lining the airway, and this is where the cigarette tar is accumulated
What happens to food after it is digested?
It is absorbed. Absorption allows your body to access the nutrients it needs from food and drink to produce energy and build new cells, tissues, enzymes, and hormones
What do bones do for us?
Protects our organs
Allows our body to move
Gives us stability
it takes two types of muscle to move bones, what are they called?
Flexor - contracts to bend a body part
Extensor - contracts to straighten a body part
How many chambers does the heart have? name one
4 - The chambers of the heart are called atria and ventricles. There are two of each. Right atrium, left atrium, Left ventricle, right ventricle
How much air passes through our lungs on an average day? (Answer in gallons)
The average person who is moderately active during the daytime breathes more than 5,000 gallons of air every 24 hours.
What are the organs that assist with digestion, but are not part of the digestive tract
Liver - stores nutrients, makes bile, breaks down toxins
Gallbladder – stores bile and squeezes it into the small intestine to break down fat.
Pancreas –protects the small intestine from stomach acid in by neutralizing the acid
The skeleton is built to move, but it can't on its own, what helps bones move?
The muscular system (muscles)
Why can't we move if a bone is broken?
Skeletal muscles are attached to bone, and the flexors and extensors cannot pull on the bone to move the joint.
on average, how many times does a healthy heart beat per minute?
The heart muscle beats an average of 70 times per minute. More than 1 gallon (3.8 liters) of blood pass through the heart every minute.
What is the difference between breathing and respiration?
Breathing is inhaling and exhaling air. Respiration is getting and using oxygen
What do the intestines do?
Complete the breakdown of food, absorb the nutrients, and concentrate the waste for elimination from the body