Vocabulary
Functions of cells
How do cells work together?
How do organs work together?
Parts of cells
100

A group of the same kind of cells working together doing the same job is__________

tissue

100

What is the basic building block of all living things?

a cell

100

What is the largest organ in the body?

Skin

100

Bones provide support to the body and protects body organs. About how many bones are in the human body?

200

100

What acts like the skin for plant and animal cells?

cell membrane

200

A grouping of different tissues combined together into one structure is ____________

organ

200

Cells have a limit to how ____ or how ____ small they can be.

Big; small

200

What is made up of dead skin cells and is used to keep the body warm?

Hair

200

True or False. Muscles only push on bones not pull.

False. Muscles only pull

200

About how many cells are living inside a human body?

100 Trillion; 100,000,000,000,000

300

A group of organs and tissues that work together to carry out a life process is ________________ (2)

organ system

300
In a cell, where are the chromosomes found?

the Nucleus

300

Which type of cells is flat?

Skin cells

300

It takes ____ muscles to move a bone.

Two

300

Hair-like structures called ___________ sweep dirt and germs out.

Cillia
400

These two cell parts are only found in plant cells.

Cell wall and chloroplasts

400

In a cell, what stores and breaks down food and other materials?

the Vacuole

400

Which type of cells is round?

Blood cells

400

There are about how many muscles that you can control in your body?

640

400
In plants, stems, roots, leaves, and flowers are considered___________

Organs

500

Some common cell parts of plant and animal cells include (name at least 2):

cell membrane, nucleus, cytoplasm, and vacuole

500

Mitochondria combine food and oxygen to produce energy in the process called _________________ (2)

Cellular Resperation

500

Name a muscle that you cannot control that pumps blood through your body.

Heart

500

Bones move when one muscles _____ and the other muscle ______.

Contracts and relaxes

500

Your muscular system works with which two systems to move your body?

Skeletal and Nervous