Respiratory System
The Respiratory System brings this gas into the body.
Oxygen
About how big is your heart?
Your heart is about the size of your fist!
This organ is part of the integumentary system and it is the biggest organ in the body. What is it?
The skin
What part of the nervous system controls everything you do?
What is another name for a virus or bacteria?
Viruses and bacteria are called germs or pathogens.
The Respiratory System gets rid of this gas.
Carbon dioxide
How many chambers are there in your heart?
There are 4 chambers in your heart! The top two are called the atria and the bottom two are called the ventricles.
What is a job of skin?
Your skin has many jobs!
It protects your body, like a shield!
Your skin keeps germs outside of your body.
It also keeps things, like your blood inside your body.
What part of the nervous system are like tiny wires or roads that go throughout your whole body to send messages to and from your brain?
Nerves
What is the spongy tissue inside your bones called?
The spongy tissue inside your bones is called bone marrow. This is where new white cells are made.
What is the name of the muscle below your lungs that expands and contracts when you breathe?
The diaphragm
Atria. You have a left atrium and a right atrium.
If we get too hot, what happens on our skin to cool us off?
If we get too hot, we sweat to cool our bodies down.
How many senses do you have?
You have 5 senses - sight, smell, touch, taste and hearing
What do white blood cells do?
White blood cells fight against germs that can make you sick.
What are the little sacs in the lungs called that look kind of like grapes?
Alveoli
*You have millions of them in your lungs!
What side of your chest is your heart on?
Your heart is on the left side of your chest.
How many main layers of skin do we have?
We have 3 main layers of skin. They are the epidermis, the dermis, and the hypodermis.
What is it called when your nervous system responds in response to something? For example, when you touch something hot, and you quickly move your hand away?
A reflex is when your body moves quickly in response to something.
What are the things in the back of your throat called that help trap germs?
Tonsils!
What are the cords in the larynx called that vibrate and make sound waves that allow you to speak and sing?
Vocal cords
What is the biggest artery in your body called?
The biggest artery in your body is called the aorta.
The aorta carries oxygenated blood from your heart to the rest of your body.
What is the top layer of skin called?
The top layer of skin is called the epidermis. The main job of the epidermis is to protect!
The Central Nervous System is made up of what 2 parts?
The Central Nervous System (CNS) is made up of the brain and spinal cord.
What are the little bean shaped nodes called that are all throughout your body and help you fight germs?
Lymph nodes