System 2026 Exam Questions
and Correct Answers | New
Update
circulatory system - ANSWER ✔✔consists of a heart, vessels, & fluid
(blood) that move cells & important molecules (oxygen, nutrients,
hormones, carbon dioxide) from one tissue to another
lymphatic system - ANSWER ✔✔an accessory system of vessels &
organs that helps balance the fluid content of the blood & surrounding
tissues & participates in the body's defenses against invading disease
organisms
, fluid - ANSWER ✔✔a specialized medium carries cells, oxygen,
nutrients, carbon dioxide, & wastes, & plays a major role in homeostasis
heart - ANSWER ✔✔the muscle system that pumps blood through
the circulatory system
vessels - ANSWER ✔✔tubular vessels distribute the fluid pumped by
the heart
open circulatory system - ANSWER ✔✔vessels leaving the heart
release bloodlike fluid (hemolymph) directly into body spaces (sinuses)
that surround organs
closed circulatory system - ANSWER ✔✔the fluid (blood) is confined
to blood vessels & is distinct from the interstitial fluid
which invertebrates have open circulatory systems? - ANSWER
✔✔arthropods & most mollusks
which invertebrates have closed circulatory systems? - ANSWER
✔✔annelids, cephalopod mollusks, & all vertebrates
systemic circuit - ANSWER ✔✔transports blood to and from the rest
of the body