breath in, breath out
When we inhale, we take in __________
When we exhale, we breath out __________
oxygen
carbon dioxide
1. smooth 2. skeletal 3. heart
What does the root -circ mean?
around
What do you call a place where two bones meet?
a joint
On average, how much does a person breathe?
(minutes, hours, or days)
About 20x per minute
What path does carbon dioxide take as it travels out of your lungs through the respiratory system?
alveoli - bronchioles - bronchi - trachea - nose/mouth
What is the job of smooth muscle?
Smooth muscle lines organs and blood vessels. In organs like the stomach, it moves food through the digestive track. It allows oxygen to pass through the blood vessels.
Blood is made of what two components?
3 types of blood cells and plasma
What cushions the ends of our bones?
What three systems that we've learned thus far are most responsible for allowing your body to catch a ball?
nervous, skeletal, and muscular
What is asthma? What are some triggers of asthma?
Asthma is a respiratory condition which causes are not known but constricts the trachea and makes it hard for someone to breathe.
Some triggers of asthma are pollen, smoke, and pollution
It contracts and relaxes, just like skeletal muscle and smooth muscle. When one part is filling up (veins) the other part is emptying (arteries). It is VERY durable as it never stops working.
What is the difference between veins and arteries?
Arteries bring oxygen-rich blood away from the heart and veins bring blood low in oxygen from the body back to the heart for reoxygenation.
Babies are born with about 300 bones but adults have 206 bones. How and why does this happen?
Some of baby's bones are made entirely of cartilage. As you grow up, the cartilage grows and is slowly replaced by bone, with help from calcium.The smaller bones are fused together.
How do the muscular and skeletal system work together to allow you to move your arms and legs?
Tendons connect muscles to bones (at joints), the tendons pull
What do alveoli do?
They allow oxygen to enter the blood and carbon dioxide waste to be removed from the blood.
What is the job of skeletal muscle and what is the difference between voluntary and involuntary muscle?
Skeletal muscle works with our bones to allow us to move. Voluntary muscles are muscles that work when we tell them to (raising our hand) and involuntary muscles are muscles that work without us telling them to (heart beating).
What is the difference between red blood cells, white blood cells, and platelets?
Name the three types of joints and the type of movement they allow? Where will you find these?
hinge - back and forth (knee)
ball and socket - circular (shoulder)
pivot - side to side (neck)
Many people think blood low in oxygen is blue but it actually just looks blue through the skin. Most of the time, arteries are shown in red and veins are in blue. This helps you remember that arteries carry oxygenated blood and veins carry deoxygenated blood. What is the job of the capillaries and why are capillaries often shown as purple?
Capillaries connect arteries and veins.
They are often shown as purple because a mix of blue and red make purple.
What everyday items could you use to represent the function of your lungs? How could you do this?
a few different size straws to represent the trachea, bronchi, and bronchioles, and balloons to represent the lungs
Aside from heart muscle, which of the other two types of muscle are involuntary and why?
smooth muscle because they contract to push food through the digestive tract
How do the circulatory and respiratory systems work together to
The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the arteries and veins that connect to the heart.
What are the five main jobs of our bones?
1. provide structure / support
2. make blood cells
3. allows for movement
4. protects organs
5.
Many fish have gills. Compare and contrast gills to lungs.
human - breathe air in mouth/ nose
fish - water goes in mouth and fish