Mod 2, Pt. 4 - Animal Structures Mvmt/Protection/Support

Which two things help to support the body?

• bones

• muscle

• cartilage

• oxygen

Two or more bones come together at a ______.

• hinge

• joint

• meeting place

• muscle

The elbow and knee are examples of what?

• muscle

• cartilage

• hinge joint

• ball-and-socket joint

The hip and shoulder are examples of what?

• muscle

• cartilage

• hinge joint

• ball-and-socket joint

When a muscle contracts, it gets ______.

When a muscle relaxes, it gets _______.

• shorter, longer

• longer, shorter

• shorter, shorter

• longer, longer

True or False: Muscles often work in pairs.

• True

• False

What is different about a bird's bones than our own?

• The bird's bones are longer than our own.

• The bird's bones are shorter than our own.

• The bird's bones are heavier than our own.

• The bird's bones are hollow, and ours are not.

Tags

NGSS.MS-LS4-2

What do a bird's long tail-feathers help them do?

• balance

• steer

• fly

• swim

Which of these pushes water to propel a fish forward?

• Gill

• Scale

• Tail fin

• feathers

How are exoskeletons different from bones?

• They are not hard.

• They don't provide support.

• They aren't part of an animal.

• They cannot grow.