Dentition
Bones
Muscles
-donts and -dactyls
Anatomy in Action
100

True/False: Teeth are bones

False! Teeth are ectodermal organs

100

What is the longest and strongest bone in most mammals ' bodies?

Femur

100

This is the type of muscle that is only found in the middle layers of the heart

Cardiac muscles, AKA myocardium

100

This term refers to animals that have only one type of tooth, and this term refers to animals that have multiple types of teeth.

Homodonts; heterodonts

100

What is the term for the teeth seen here?

Tusks

200

This is the upper portion of the tooth that is covered in enamel, and this is the lower portion of the tooth that connects to the jaw

Crown; root

200

What is the term for the head of dog breeds that have a flat-nosed skull?

Brachycephalic

200

This is the type of muscle that causes the muscular contractions of various organs

Smooth muscles

200

This term refers to when an animal has two sets of teeth in its life, one deciduous and one permanent

Diphyodont

200

What mammalian walking style is shown here?

Digitigrade

300

Name one of the three other names for baby teeth (the first set of teeth a mammal has that fall out)

Deciduous, primary, or milk teeth

300

What is the term for bones that are hollow or contain air cells?

Pneumatized bones

300

This is the largest and strongest muscle in the mammalian chest

Pectoralis major

300

This term refers to the low-crowned teeth found in animals, such as humans, and this term refers to the high-crowned teeth of horses that continuously erupt.

Brachydont; hypsodont

300

What is the name for the head shape of this dog?

Mesocephalic

400

Name the four types of teeth we see in mammals

Incisors, canines, premolars, and molars

400

What is the term for bones that make up the fingers and toes? AKA digits

Phalanges

400

This term refers to the type of muscle fibers that contract slowly but continue for a long time, and this term refers to the type of muscle fibers that contract quickly but rapidly get tired.

Slow twitch; fast twitch

400

This term refers to the arrangement of the toes in birds such as chickens and songbirds.

Anisodactyl

400

What is the term for the type of tooth attachment shown here?

Thecodont

500

Name at least four ways that we classify teeth

Possible answers: Shape, surfaces, diet, location in the mouth, replacement strategy, attachment to the jaw, use

500

Name at least four out of the five types of bones

Long bones, short bones, flat bones, sesamoid bones, and irregular bones

500

Name at least five of the major muscle groups

Chest, back, shoulders, arms, legs, and core

500

This term refers to even-toed ungulates, such as cattle, and this term refers to odd-toed ungulates, like horses.

Artiodactyl; perissodactyl

500

What type of toe arrangement is shown here?

Zygodactyl

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