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Portage Learning A&P 1 Exam 1 Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
What cavity houses the brain?✔✔ Cranial cavity
Which feedback mechanism reverses a change in the body to maintain balance?✔✔ Negative feedback
What is the function of the endoplasmic reticulum?✔✔ To transport and process proteins and lipids
What type of connective tissue stores fat?✔✔ Adipose tissue
What kind of epithelial tissue lines blood vessels?✔✔ Simple squamous epithelium
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What is the outer layer of the skin called?✔✔ Epidermis
Which organ system includes the spleen and lymph nodes?✔✔ Lymphatic system
Which type of muscle is voluntary and striated?✔✔ Skeletal muscle
What is the correct anatomical term for the armpit?✔✔ Axillary
What is the name of the process where cells divide to produce identical copies?✔✔ Mitosis
What is the name of the region behind the peritoneum where the kidneys are located?✔✔ Retroperitoneal
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Which structure separates the thoracic cavity from the abdominal cavity?✔✔ Diaphragm
Which directional term means "toward the front of the body"?✔✔ Anterior
Which layer of the skin contains blood vessels and nerves?✔✔ Dermis
Which system removes carbon dioxide from the bloodstream?✔✔ Respiratory system
Which macromolecule is the primary source of cellular energy?✔✔ Carbohydrate
What type of tissue covers body surfaces and lines internal organs?✔✔ Epithelial tissue
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