Terminology
Levels of Organization
Chemistry of Life
Body Systems
Organelle to Tissue
100

The maintenance of internal stability is called this.

What is homeostasis?

100

The smallest living unit of the body.

What is a cell?

100

The most abundant element in the human body.

What is oxygen?

100

This system breaks down and absorbs nutrients.

What is the digestive system?

100

This organelle synthesizes proteins.

What are ribosomes?

200

This term means high calcium in the blood.

What is hypercalcemia?

200

Put in order: organ, organelle, organism, tissue, cell.

What is organelle → cell → tissue → organ → organism?

200

Sucrose is made of these two monosaccharides.

What are glucose and fructose?

200

This system regulates volume, pressure, and acid-base balance.

What is the urinary system?

200

This organelle detoxifies substances in liver cells.

What is smooth ER?

300

This term describes all chemical reactions in the body.

What is metabolism?

300

The stomach is classified at this level.

What is an organ?

300

The most abundant mineral in the body.

What is calcium?

300

This system produces hormones like insulin.

What is the endocrine system?

300

These structures increase absorption in the intestines.

What are microvilli?

400

This reaction is the opposite of hydrolysis.

What is dehydration?

400

The mitochondrion is this level of organization.

What is an organelle?

400

These elements make up 98.5% of body weight.

What are oxygen, carbon, hydrogen, nitrogen, calcium, phosphorus?

400

This system assists with immunity and fluid recovery.

What is the lymphatic system?

400

This epithelial tissue allows rapid diffusion.

What is simple squamous epithelium?

500

This term describes cell specialization rather than growth over time.

What is differentiation?

500

A nurse observes tissue made of adipocytes. This level is being viewed.

What is tissue?

500

A patient with low calcium levels would have difficulty with this major physiological process.

What is muscle contraction (or bone stability or nerve transmission)?

500

A patient with hormone imbalance affecting multiple organs likely has dysfunction in this system.

What is the endocrine system?

500

Peristalsis is performed by this muscle type.

What is smooth muscle?

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