Animal Physiology Quiz

What is the primary function of the excretory system?

• Oxygen transport

• Waste elimination

• Hormone secretion

• Nutrient absorption

Which organ is primarily responsible for filtering blood in mammals?

• Liver

• Heart

• Kidney

• Lungs

Which structure in the kidney collects urine before it moves to the ureter?

• Nephron

• Renal pelvis

• Glomerulus

• Loop of Henle

The functional unit of the kidney is called the:

• Alveolus

• Nephron

• Glomerulus

• Bowman's capsule

Urea is a waste product formed from the breakdown of:

• Fats

• Carbohydrates

• Proteins

• Nucleic acids

Which cells are responsible for producing antibodies?

• T cells

• B cells

• Macrophages

• Neutrophils

What is the first line of defense in the immune system?

• Antibodies

• Skin and mucous membranes

• B cells

• T cells

Which type of immunity is developed through vaccination?

• Passive

• Innate

• Active acquired

• Natural immunity

What type of immune cell is involved in killing infected host cells?

• Helper T cell

• B cell

• Cytotoxic T cell

• Basophil

Which organ is responsible for maturing T cells?

• Bone marrow

• Spleen

• Thymus

• Liver