Basic units that make up all living things.

What are cells?
Many cells together form to make a __________ ?

Tissue
Which layer of skin is made of dead skin cells?
How many bones are in the human body?
206 bones
Health book, pencil
Cells are so tiny, you cannot see them without a _________ ?
Different types of tissues work together to form _________ .
Organs
What is perspiration?
Where does it come from?
Sweat. Sweat comes from the sweat glands in your skin.
Name 2 organs your bones protect.
Heart, lungs, brain, stomach, kidneys

Snails, insects, jellyfish, octopi, and crabs have no __________ ?
a) skin
b) cells
c) skeleton
Bones or skeleton
Do plants have cells?
Yes, all living things are made of cells.
Name the 2 types of muscles in your body AND who or what controls each?
Involuntary muscles are controlled by your brain. You do not have to think about making them work.
Voluntary muscles are controlled by you. You choose to make them work.
Name two things that happen in the 2nd layer of skin.
Hair grows and sweat is produced.
The skeletal system works with the _____________ system to allow your body to stand, walk, run, and move around.
Muscular system
Name two items that should NOT be on your desk when the bell rings in Ms. Davis's class.
Food, cell phone, and computer.
Different types of tissues work together to form ____________.
Organs
Your stomach is a _______________ muscle.
Involuntary muscle.
Which layer of the skin is made of fatty tissue?
Subcutaneous layer
The place where each bone connects to another is called a _________ ?
Joint
Name the largest organ in the body.
The skin.

Cells have 3 basic parts. Name 2.
Cell membrane, cytoplasm, and nucleus.
DAILY DOUBLE!!!
What would happen if all muscles in your body were voluntary?
You would have to think to breathe every second. If you fell asleep, you could stop breathing.
You would have to tell your heart to beat. If you forgot, your heart could stop.
You would have to remember to digest food. Food could just sit in your stomach.
You would have to control blinking and swallowing all the time.
It would be impossible for a person to control all the body functions required to stay alive.
What substance determines the color of your hair and skin?

Melanin
Your __________ keeps the temperature of your body steady.
Skin