Bones Muscles Skin

The outermost layer of skin is called the (a)  

• subcutaneous fat
• dermis
• epidermis
• cartilage

A group of similar cells that perform a similar function is called a(n)

• cell

• tissue

• organ

• organ system

Tags

NGSS.MS-LS1-3

This is the pigment in our skin that helps to prevent the skin from burning

• chlorophyll

• dermis

• follicle

• melanin

Tags

NGSS.MS-LS1-5

The stretching and tearing of ligaments is known as

• a fracture

• a dislocation

• a sprain

• osteoporosis

Spongy bone is filled with _________ that help bones be strong and lightweight.

• marrow

• blood

• cytoplasm

• empty spaces

Muscles that move the skeleton are known as

• smooth muscles

• cardiac muscles

• skeletal muscles

• involuntary muscles

What organ system detects information from the environment and controls body functions?

• skeletal

• nervous

• digestive

• circulatory

A doctor can not identify a sprained ankle with an X-Ray because:

• X-Rays pass through bones

• soft tissues block X-Rays

• X-Rays pass through soft tissues

• a sprained ankle can not be viewed on X-Ray until the swelling decreases

Tags

NGSS.HS-PS4-5

Which is true about the graph above?

• The bones of women are more dense than the bones of men.

• The bones of men contain less calcium than the bones of women.

• The bone density of both men and women decreases as they age.

• An average 55-year old woman has stronger bones than an average 55-year old man.

The muscles that lack striations and are involuntary are found in

• the heart

• arteries and other organs

• the arm and leg

• the back