Biology 7 Cells to Body Systems

The cell is the:

• Interacts with the body to maintain internal stability.

• A group of tissues that work to perform a certain function.

• A group of organs that work to perform a certain function.

• Most basic unit of life.

Which of the following is the definition of organs?

• A group of tissues that carry out a specialized function in the body.

• The most basic unit of life.

• Homeostasis.

• Cells working together to perform a specific function.

Cell Differentiation is the process where a cell changes from being able to become any cell in the body to be specialized in structure and function.

• True

• False

Which of the following is a type of neuron?

• Mitochondria

• Ectoderm

• Sensory

• Nucleus

Motor Neurons:

• basic cell of the nervous system

• receive input from the environment

• in the spinal cord and brain receive and process information

• stimulate the muscles and glands to move and react

What is #1 on the image?

• Dendrites

• Axon

• Axon Body

• Axon Terminal

Axon terminal branches transmit the signal to the next cell.

• True

• False

How do muscles cells tract to the stimulus?

• Cardiac

• Contracting

• Mesoderm

• Signals

What are the 3 types of muscle?

(a)  

Muscles are attached to:

• Nuclues

• Bone

• Membrane bound organelles

• Contraction