AC HPAT prep: Biology Questions and Answers Update 2026/2027

AC HPAT prep: Biology Questions and
Answers Update 2026
Skeletal system ✔✔gives our bodies structure and protects major organs like the heart, lungs,
and brain
circulatory system ✔✔Transports oxygen, waste, nutrients, hormones, heat, etc... around the
body
respiratory system ✔✔Brings oxygen into the body. Gets rid of carbon dioxide.
urinary system ✔✔Eliminates nitrogenous wastes from the body. Regulates water, electrolyte
and acid-base balance of the blood.
Muscular System ✔✔Allows manipulation of the environment, locomotion, and facial
expression. Maintains posture, and produces heat.
nervous system ✔✔the network of nerve cells and fibers that transmits nerve impulses between
parts of the body.
reproductive system ✔✔system of organs involved in producing offspring
endocrine system ✔✔Glands secrete hormones that regulate processes such as growth,
reproduction, and nutrient use (metabolism) by body cells.
integumentary system ✔✔Consists of the skin, mucous membranes, hair, and nail
digestive system ✔✔Breaks down food into absorbable units that enter the blood for distribution
to body cells.