HCA 121: Module 1 Questions and Answers 100%
Pass
Epithelial tissue - ANSWER ✔✔-covers internal and external body surfaces
Connective tissue - ANSWER ✔✔-anchors, connects, and supports other tisssues
Muscle tissue - ANSWER ✔✔-stretches and contracts to let the body move
Nerve tissue - ANSWER ✔✔-receives and carries impulses to the brain and back to body parts
How many organ systems do humans have - ANSWER ✔✔-11
What is the largest system - ANSWER ✔✔-Integumentary
The two skin layers - ANSWER ✔✔-Dermis and Epidermis
The outer layer of the skin - ANSWER ✔✔-Epidermis
The inner layer of the skin - ANSWER ✔✔-Dermis
What slows the growth of bacteria of the skin's surface? - ANSWER ✔✔-Oil
What prevents microorganisms and other substances from entering the body? - ANSWER ✔✔-Body's
protective covering
What senses both pleasant and unpleasant stimulation? - ANSWER ✔✔-Nerve endings
System that provides the framework for the body? - ANSWER ✔✔-Muscluloskeletal system
Functions of Musculoskeletal system - ANSWER ✔✔-lets the body move, protect and give the body
shape, consist of bones, muscles, ligaments, tendons and cartilage
Created by Grace Amelia © 2025, All Rights Reserved.
, 2|Page
5 types of bones - ANSWER ✔✔-long, short, flat, irregular, sesamoid
Bear the body's weight - ANSWER ✔✔-Long bone
Allow skill and ease in movement - ANSWER ✔✔-Short bones
Protect organs - ANSWER ✔✔-Flat bones
Allow various degrees of movement and flexibility - ANSWER ✔✔-Flat bones
Short and irregular and protect tendons - ANSWER ✔✔-Sesamoid bones
Point at which two or more bones meet - ANSWER ✔✔-Joint
6 Types of joints - ANSWER ✔✔-Ball and socket joints, hinge joints, pivot joints, saddle joints, gliding
joints, condyloid joints
Allow movement in all direction - ANSWER ✔✔-Ball and socket
Allow movement in one direction - ANSWER ✔✔-Hinge joints
Allow turning from side to side - ANSWER ✔✔-Pivot joints
Allow for a wide range of motion - ANSWER ✔✔-Saddle joints
Allow for limited but complex guiding movements - ANSWER ✔✔-Gliding joints
Wrists and knuckles - ANSWER ✔✔-Condyloid joints
3
3 Types of muscles - ANSWER ✔✔-Skeletal, smooth and cardiac muscles
3 Functions of Muscles - ANSWER ✔✔-- Movement of body parts
- Maintenance of posture
Created by Grace Amelia © 2025, All Rights Reserved.