Digestive and Excretory Systems Quiz

What are enzymes?

• Proteins that help break down large molecules into smaller molecules

• Hormones that regulate blood sugar

• Cells that carry oxygen

• Organs that filter blood

What is the esophagus?

• A tube that connects the mouth to the stomach

• A muscle that pumps blood

• A gland that produces hormones

• A bone in the arm

What is peristalsis?

• A wave of muscle contractions

• A type of enzyme

• A digestive organ

• A blood vessel

What is chyme?

• A thin watery liquid

• A type of enzyme

• A digestive organ

• A hormone

What are villi?

• Fingerlike projections

• Digestive enzymes

• Blood vessels

• Muscle tissues

What does the excretory system do?

• Collects/eliminates waste from the body and regulates the level of fluid in the body

• Produces hormones for growth

• Breaks down food for energy

• Transports oxygen in the blood

What is the function of the kidney?

• Filters/removes waste from blood

• Produces digestive enzymes

• Stores urine

• Absorbs nutrients from food

What are nephrons?

• Networks of capillaries and small tubules where filtration of blood occurs

• Cells that carry oxygen

• Hormones that regulate metabolism

• Muscles that move bones

What is urine?

• Fluid made from filtered blood

• A type of enzyme

• A hormone

• A digestive juice

What is the function of the bladder?

• Muscular sac that holds urine until it is excreted

• Organ that filters blood

• Tube that connects the mouth to the stomach

• Gland that produces hormones