Semester Exam Part I

Front

Which muscle allows you to smile?

Back

Zygomaticus - a muscle that elevates the corners of the mouth, enabling smiling.

Front

These are found at the end of your fingers and toes.

Back

Phalanges - the bones in the fingers and toes.

Front

Which chamber of the heart is responsible for pumping deoxygenated blood to the lungs?

Back

Right ventricle - the chamber that pumps deoxygenated blood to the lungs for oxygenation.

Front

Which chamber of the heart receives oxygenated blood from the lungs?

Back

Left atrium - the chamber that receives oxygenated blood from the pulmonary veins.

Front

Name this joint: gliding, saddle, hinge, ball and socket.

Back

Ball and socket - a joint that allows for rotational movement in multiple directions.

Front

What is the primary function of the orbicularis oris muscle?

Back

To control movements of the mouth and lips, enabling actions like kissing and whistling.

Front

What are metatarsals?

Back

The long bones in the foot that connect the toes to the tarsal bones.

Front

What is the role of the right atrium in the heart?

Back

To receive deoxygenated blood from the body through the superior and inferior vena cavae.

Front

What type of joint is found in the shoulder?

Back

Ball and socket joint - allows for a wide range of motion in multiple directions.

Front

What is the function of the buccinator muscle?

Back

To compress the cheeks against the teeth, aiding in chewing and blowing.