Back to Library

Skin and Muscle Physiology

Biology

This content covers the structure and function of the skin, including its accessory structures like hair and nails, and the physiology of muscle contraction through the sliding filament mechanism. It also briefly touches upon cell division, specifically mitosis.

Anatomy Physiology Cell Biology
20 Questions Medium Ages 12+ Dec 29, 2025

Choose a Study Format

Quiz
Test your knowledge with multiple-choice questions and instant feedback.
Flashcards
Flip through cards to review terms, definitions and key concepts.
True or False
Quickly decide if statements are true or false to reinforce understanding.
Match Game
Race against time to match questions with their correct answers.
Study Guide
Read through all topics and answers as a comprehensive study reference.
Listen Mode
Listen to questions and answers read aloud — great for audio learners on the go.

About this Study Set

This study set covers Biology through 20 practice questions. This content covers the structure and function of the skin, including its accessory structures like hair and nails, and the physiology of muscle contraction through the sliding filament mechanism. It also briefly touches upon cell division, specifically mitosis. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 20 questions from the Skin and Muscle Physiology study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the function of the hypodermis?
  • A Attaching skin to underlying muscles and storing fat
  • B Protecting the body from external damage
  • C Regulating body temperature
  • D Producing oil for the skin
2 Which accessory structure of the skin helps in regulating body temperature and removing waste?
  • A Hair
  • B Nails
  • C Sweat glands
  • D Sebaceous glands
3 Sebaceous glands secrete an oily product called sebum, which helps to keep the skin soft and pliable.
  • A True
  • B False
4 What are the three concentric layers of cells that make up the hair shaft and root?
  • A Medulla, Cortex, Cuticle
  • B Epidermis, Dermis, Hypodermis
  • C Epithelium, Connective tissue, Muscle tissue
  • D Keratin, Melanin, Collagen
5 Nails are made of tightly packed, hard, keratinized epidermal cells.
  • A True
  • B False
6 The visible portion of a nail is called the:
  • A Nail root
  • B Nail body
  • C Free edge
  • D Nail matrix
7 Sweat glands are also known as:
  • A Sebaceous glands
  • B Sudoriferous glands
  • C Hair follicles
  • D Dermal papillae
8 What is the process called when the length of a skeletal muscle shortens during contraction due to the sliding of thick and thin filaments?
  • A Sliding filament mechanism
  • B Muscle fatigue
  • C Action potential propagation
  • D Neurotransmitter release
9 Thick filaments in muscle are primarily composed of which protein?
  • A Actin
  • B Troponin
  • C Tropomyosin
  • D Myosin
10 Which part of the myosin molecule contains the ATP binding site?
  • A Myosin tail
  • B Myosin head
  • C Actin binding site
  • D Z-line
11 The formation of a cross-bridge occurs when the energized myosin head attaches to the actin binding site.
  • A True
  • B False
12 What is the term for the movement of the cross-bridge that pulls the thin filament towards the center of the sarcomere?
  • A ATP hydrolysis
  • B Power stroke
  • C Detachment
  • D Cross-bridge cycling
13 What binds to the ATP binding site on the myosin head to cause the detachment of myosin from actin?
  • A Calcium ions
  • B ATP
  • C ADP
  • D Actin
14 What is cell division defined as?
  • A The process by which a parent cell divides into two or more daughter cells
  • B The synthesis of new proteins within a cell
  • C The movement of molecules across a cell membrane
  • D The formation of new organelles within a cell
15 During which phase of mitosis do chromosomes condense and become visible?
  • A Prophase
  • B Metaphase
  • C Anaphase
  • D Telophase
16 In which phase of mitosis do chromosomes align at the equatorial plate?
  • A Prophase
  • B Metaphase
  • C Anaphase
  • D Telophase
17 What happens to the centromeres during anaphase?
  • A They split, and sister chromatids separate
  • B They condense and become visible
  • C They disappear
  • D They form spindle fibers
18 In telophase, chromosomes decondense and two new nuclei are formed.
  • A True
  • B False
19 Cytokinesis is the division of:
  • A The nucleus
  • B The cytoplasm and organelles
  • C The cell membrane
  • D The chromosomes
20 What is the primary function of hair?
  • A Protection, insulation, and sensation
  • B Regulating body temperature
  • C Producing oil
  • D Forming sweat
📱

Study on the go

Download Quixly and access all study formats on your phone — anywhere, anytime.

Download on App Store Get it on Google Play Get it on Chrome Web Store