Ch 2 - Bones, Muscles, & Skin REVIEW 7SCI

Muscles that are NOT under your conscious control are

• voluntary muscles.

• involuntary muscles.

• skeletal muscles.

• muscle pairs.

How does your skin help eliminate waste materials?

• The many blood vessels that run through skin carry away wastes.

• Perspiration contains dissolved waste materials.

• The nerves in the skin help get rid of wastes.

• Exposure to sunlight causes skin cells to release wastes.

Tendons connect skeletal muscles to

• bones

• other skeletal muscles

• smooth muscles

• internal organs

I’m a unit that measures length

Although I’m not a mile

There’s two of me on your body

But I’m not used to smile

• foot

• knee

• ear

• eye

Bones produce blood cells and store minerals like __________ and phosphorus.

• iron

• zinc

• calcium

• potassium

Bones are alive and contain cells and tissues, such as blood and nerves.

• True

• False

Tags

NGSS.MS-LS1-3

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Skin needs only a few minutes of sunlight to produce all the vitamin ____ you need in a day.

• C

• D

• B12

• A

An example of a ball and socket is your

• hip/shoulder

• elbow/knee

• ankles/writst

• neck

Outermost layer of the skin

• follicles

• epidermins

• melanin

• pores

Muscles found only in the heart

• cardiac

• smooth

• skeletal

• voluntary