supporting systems quiz 3

The heart and blood vessels are the components of which human organ system?

• the circulatory system

• the muscular system

• the endocrine system

• the respiratory system

Which component of the digestive system performs both mechanical digestion and chemical digestion?

• The liver

• The small intestine

• The mouth

• The esophagus

Which of the following is an effect of long-term cortisol elevation in the body?

• Increases appetite

• Enhances the brain's use of glucose

• Reduces inflammation

• Reduces unnecessary bodily functions during stress

Which endocrine hormone promotes the breakdown of protein in muscle cells?

• cortisol

• aldosterone

• glucagon

• insulin

What is the process of external respiration?

• The exchange of gases from the blood to the interstitial fluid and body tissues.

• The exchange of gases in the chambers of the heart.

• The exchange of gases from the arteries to the capillaries.

• The exchange of gases between the lungs and the blood in the lungs.

During exercise, which organ system regulates fluid volume and pressure in body tissues?

• the circulatory system

• the lymphatic system

• the endocrine system

• the integumentary system

During the cardiac cycle, what is the name of the contraction phase of the heartbeat?

• systole

• fibrillation

• diastole

• arrythmia

Which blood vessels carry blood away from the heart?

• venules

• arteries

• veins

• capillaries

Blood vessels are comprised of which type of muscle tissue?

• type II muscle fibers

• cardiac muscle

• skeletal muscle

• smooth muscle

Which heart chamber receives deoxygenated blood from the body?

• right atrium

• left atrium

• right ventricle

• left ventricale