Avian Anatomy

Multiple Choice

Which of the following is NOT one of the avian body systems listed in the lesson?

• Digestive

• Respiratory

• Lymphatic

• Endocrine

Fill in the Blank

The avian heart is ___ chambered.

Open Ended

Explain how the avian cardiovascular system supports the metabolic demands of flight.

Multiple Select

Which of the following are functions of avian blood vessels?

• Deliver blood pumped from the heart throughout the body

• Carry blood away from the heart

• Carry blood back to the heart

• Produce red blood cells

Multiple Choice

Which major avian artery is responsible for delivering blood to the wings?

• Carotids

• Brachials

• Pectorals

• Pulmonary

Fill in the Blank

The ___ vein carries blood away from the head and brain in birds.

Multiple Choice

Which of the following is NOT a function of the digestive system?

• Takes in food and breaks it down into nutrients

• Converts food into raw materials for the body

• Rids the body of indigestible materials

• Produces hormones for growth

Open Ended

List the main organs included in the digestive system of birds.

Multiple Choice

Which of the following statements about the mouth in birds is correct?

• It has teeth for chewing food

• It secretes saliva to soften food

• It does not help in swallowing

• It lacks a tongue

Fill in the Blank

The esophagus in birds often deposits food in the ___ before it goes to the stomach.

Multiple Select

Select all statements that are true about the bird's stomach.

• It is divided into two parts: proventriculus and gizzard

• The gizzard grinds food with the help of ingested stones or grit

• The proventriculus is the muscular portion that grinds food

• The gizzard is the glandular part where food is partially digested

Open Ended

Explain how the length of the small intestine varies in birds and why this variation occurs.

Multiple Choice

Which of the following is a function of the large intestine in birds?

• Absorbs water and eliminates waste products

• Produces insulin

• Regulates salt and water balance

• Creates prolactin

Multiple Select

Which of the following are functions of the endocrine system in birds?

• Regulates growth, development, and behavior

• Produces, uses, and stores energy

• Absorbs water from indigestible items

• Works with the nervous system to maintain metabolic balance

Multiple Select

Based on the information from slides 2 and 3, which glands are part of the endocrine system in birds?

• Adrenal

• Pancreas

• Pituitary

• Cloaca

Multiple Choice

Which gland is responsible for producing aldosterone and cortisol in birds?

• Adrenal gland

• Pancreas

• Pituitary gland

• Thyroid gland

Fill in the Blank

The pancreas produces ___, which breaks down glucose and other nutrients in the body.

Open Ended

Explain how the hormone prolactin produced by the pituitary gland helps birds during migration.

Multiple Choice

Which organ in birds is responsible for controlling the rate of metabolism, growth, and development?

• Thyroid gland

• Kidneys

• Urethra

• Liver

Multiple Select

Which of the following are functions of the kidneys in birds?

• Filter waste products out of blood

• Reabsorb needed substances such as glucose

• Form and excrete urine

• Regulate body temperature

Open Ended

How do you think understanding the differences between avian and human skeletons can help in the care and protection of birds?

Multiple Choice

Which of the following is NOT an objective of studying basic avian anatomy as outlined in the lesson?

• To examine avian body systems and their role in bird health

• To determine the functions of different organs in birds

• To contrast the avian skeleton with that of a human

• To learn about the migration patterns of birds

Fill in the Blank

The urethra carries feces and ___ to the outside of the body in birds.

Open Ended

Explain how the kidneys and urethra work together in the excretory system of birds.