A group of the same kind of cells working together doing the same job is__________
tissue
What is the basic building block of all living things?
a cell
What is the largest organ in the body?
Skin
Bones provide support to the body and protects body organs. About how many bones are in the human body?
200
What acts like the skin for plant and animal cells?
cell membrane
A grouping of different tissues combined together into one structure is ____________
organ
Cells have a limit to how ____ or how ____ small they can be.
Big; small
What is made up of dead skin cells and is used to keep the body warm?
Hair
True or False. Muscles only push on bones not pull.
False. Muscles only pull
About how many cells are living inside a human body?
100 Trillion; 100,000,000,000,000
A group of organs and tissues that work together to carry out a life process is ________________ (2)
organ system
the Nucleus
Which type of cells is flat?
Skin cells
It takes ____ muscles to move a bone.
Two
Hair-like structures called ___________ sweep dirt and germs out.
These two cell parts are only found in plant cells.
Cell wall and chloroplasts
In a cell, what stores and breaks down food and other materials?
the Vacuole
Which type of cells is round?
Blood cells
There are about how many muscles that you can control in your body?
640
Organs
Some common cell parts of plant and animal cells include (name at least 2):
cell membrane, nucleus, cytoplasm, and vacuole
Mitochondria combine food and oxygen to produce energy in the process called _________________ (2)
Cellular Resperation
Name a muscle that you cannot control that pumps blood through your body.
Heart
Bones move when one muscles _____ and the other muscle ______.
Contracts and relaxes
Your muscular system works with which two systems to move your body?
Skeletal and Nervous