Endocrine System and Hormones
Nervous System
Skeletal System
Muscular System
Tissue/Cells/Chemistry
100

This gland sits on top of the kidneys and releases cortisol during long-term stress.

What are the Adrenal Glands?

100

This cranial nerve is responsible for hearing.

What is cranial nerve VIII (Vestibulocochlear)?

100

This division of the skeleton includes the scapula and upper limbs.

What is the appendicular skeleton?

100

This muscle is the primary muscle used for breathing.

What is the diaphragm?

100

The smallest unit of life capable of carrying out all vital functions.

What is a cell?

200

This posterior pituitary hormone causes uterine contractions and milk ejection.

What is oxytocin?

200

Fibers of the sympathetic nervous system arise from this region of the spinal cord.

What are the thoracic and lumbar regions?

200

The shaft of a long bone is called this.

What is the diaphysis?

200

This type of muscle tissue is striated and involuntary.

What is cardiac muscle?

200

This macromolecule serves as a short-term energy source.

What are carbohydrates?

300

This pancreatic hormone raises blood glucose levels many hours after a meal.

What is Glucagon

300

The neurotransmitter released at the neuromuscular junction to stimulate muscle contraction.

What is acetylcholine (ACH)?

300

These bone cells are responsible for building new bone.

What are osteoblasts?
300

The contractile unit of a muscle fiber responsible for striations.

What is a sarcomere?

300

The cellular organelle that contains genetic information.

What is the nucleus?

400

These two hormones act antagonistically to regulate blood calcium levels.

What are parathyroid hormone and calcitonin?

400

White matter in the CNS is primarily composed of this substance.

What is myelin?

400

In adults, this bone is most likely to contain red bone marrow.

What is the pelvis?

400

This connective tissue attaches muscle to bone.

What is a tendon?

400

A drastic change in protein shape due to extreme heat or pH.

What is denaturation?

500

This feedback mechanism is used by target organs to regulate pituitary hormone secretion.

What is negative feedback?

500

This brain structure connects the left and right cerebral hemispheres.

What is the corpus callosum?

500

Raising your arm out to the side to hail a taxi is this type of joint movement.

What is abduction?

500

This circular muscle is used when kissing.

What is the orbicularis oris?

500

Normal saline is this type of solution relative to blood cells.

What is isotonic?