Skeletal, muscular, and nervous system

Adults have ___ bones.

Bones produce ___ and _____ blood cells.

• red and yellow

• red and green

• blue and red

• red and white

Bones are mostly made of which minerals?

• Calcium and iron

• Phosphorus and calcium

• Iron and Potassium

• Sodium and Phosphorus

___________ tissue is elastic body tissue that holds things together.

• Subjective

• Objective

• Connective

• Directive

_______ is a connective tissue that is more flexible that bone.

• muscle

• ligament

• cartilage

• skin

Elbow and knee are examples of _______ joints.

• muscle

• hinge

• ball and socket

• flexor

Hip and shoulder are examples of ________ joints.

• muscle

• hinge

• ball and socket

• flexor

________ helps bones harden and become strong.

• Phosphorus

• Potassium

• Sodium

• Calsium

There are about ______ muscles in the body.

• 200

• 400

• 600

• 800

Which of the following is not a type of muscle in the human body?

• ripped

• skeletal

• smooth

• cardiac