MCA Review- 7th Grade Life Science

The smallest unit of organization in the body is the

• tissue

• nucleus

• cell

• organ

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One function of connective tissue is to

• absorb or release substances

• provide support for your body

• carry messages to and from your brain

• make part of your body move

an example of a ball-and-socket joint is your

• neck

• hip

• wrist

• ankle

Muscles found only in the heart are called

• skeletal muscles

• cardiac muscles

• smooth muscles

• volunary muscles

A place in the body where two bones come together is called a

• joint

• ligament

• hinge

• tendon

The strong connective tissue that attaches muscle to bone is called a

• joint

• ligament

• tendon

• cartilage

The skeleton does all of the following except

• provide shape and support

• produce vitamin D

• enable movement

• protect internal organs

A simple charbohydrate that serves as a major source of energy for your body is

• glucose

• vitamin K

• animal protein

• fiber

The nutrients that provide the highest amount of energy are

• fats

• carbohydrates

• minerals

• proteins

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A substance that speedsd up chemical reactions in the body is called a(n)

• vegetable

• sugar

• mineral

• enzyme