Human Body

all parts of the body work together to complete a task

joint that can move in three different ways

How many joints are in the human hand?

group of cells that look and act the same

joint where two bones meet, allowing limited movement in two directions

place where two bones meet

The triceps is located under the humerus (upper arm bone) and acts in opposition to the biceps.

something that triggers a response

the length of time it takes for a person to respond to a stimulus

opposite the other fingers

hard interior framework that provides shape and protection for the human body

What is responsible for all movements of the body?

become smaller or shorter in size

How many muscles in the human skeleton?

hollow case that surrounds and protects the brain, inner ears, and eyes

to prevent something from moving

joint where two bones meet and allows movement in one direction

tissue that connects bone to bone

rubbery, flexible material that sometimes connects bones and provides shape for some body parts

system that includes all of the bones in the body

do something in another way

a reaction of a living thing to a stimulus

Contracted muscles feel tight and solid.

The triceps is a powerful muscle that is located on top of the humerus (upper arm bone).

tissue that can contract, resulting in the movement of bones

jointed or joined in sections

How many bones in the human body?

the main part of the body

Muscles attached to two bones will move away from each other when the muscles contracts.

ropelike tissue that connects muscle to bone