I protect your brain and form the shape of your head. Who am I?
Skull
I am the type of muscle only found in the heart.
Cardiac Muscle
I pump blood through the body.
Heart
I’m the large muscle under your lungs that helps you breathe.
Diaphragm
I mean “toward the head.”
Superior/Cranial
I am the mineral that gives bones their strength and hardness.
Calcium
What molecule is required for muscle cells to undergo aerobic respiration?
Oxygen
I carry oxygen-rich blood away from the heart.
Artery
I carry air from the mouth and nose to the lungs.
Trachea
I mean “toward the midline of the body.”
Medial
I am the type of bone cell that breaks down bone.
Osteoclast
I am the type of muscle that is striated and voluntarily controlled.
Skeletal muscle
I am the wall that separates the left and right sides of the heart.
The septum
I’m the site of gas exchange in the lungs.
Alveoli
I’m the plane that divides the body into left and right halves.
Median/Midsaggital
I am the soft, flexible connective tissue that reduces friction between bones at joints and is found in your ears and nose.
Cartilage
What are the two molecules necessary for muscle contraction?
Calcium ions and ATP
I help the blood clot to stop bleeding.
Platelets
I’m the structure that branches off the trachea into each lung.
Bronchus
I describe a position farther from the trunk or point of origin.
Distal
I’m the type of joint found in your shoulder and hip.
Ball and Socket Joint
My contraction shortens the sarcomere in a sliding filament model.
Actin and Myosin
I am the largest artery in the body.
Aorta
I produce mucus and have cilia to trap dust in the upper airway.
Nasal Cavity
I’m the term for the front of the body in anatomical position.
Anterior/Ventral