Unit 3 The Human Body

Organization of the Human Body Chapter 6 Organization of the Human Body

Life Homeostasis Cells Tissues Organs Body systems Human body

Cells Cell membrane Cytoplasm Organelles

Question True or False: Tissues are the smallest living structure in the body.

Answer False Cells Tissues Smallest living structures in body Cells with similar function grouped together

Cell Components

Organelles Nucleus Mitochondrion Lysosomes Ribosomes Golgi apparatus (continued)

Organelles Centrioles Endoplasmic reticulum Vesicles

Tissues Epithelial Connective Nervous Muscular

Question Which of the following types of tissues holds parts of the body in place? Muscular Epithelial Connective

Answer C. Connective Connective tissue Epithelial tissue Holds parts of body in place Epithelial tissue Covers Muscular tissue Allows movement

Describing the Body Anatomical position Body planes Directional terms Body cavities Abdominal regions

Anatomical Position

Body Planes Midsagittal plane Frontal plane Transverse plane

Sagittal Plane

Frontal and Transverse Plane

Question Which of the following planes divides the body into front and back portions? Midsagittal Frontal Transverse

Answer B. Frontal Frontal plane Midsagittal plane Transverse plane Divides body into front and back portions Midsagittal plane Divides body into right and left sides Transverse plane Divides body into top and bottom portions

Directional Terms Lateral Medial Anterior (ventral) Posterior (dorsal) Inferior (continued)

Directional Terms Superior Caudal Cephalic (cranial) Deep Superficial (continued)

Directional Terms Distal Peripheral Proximal Apex Base

Question True or False: The medial side of the foot would be the inside aspect of the foot.

Answer True Medial Lateral Toward midline or center of body Medial aspect of foot would be inside portion Lateral Opposite of medial Away from center of body or toward sides

Body Cavities Posterior (dorsal) body cavity Cranial or spinal Anterior (ventral) body cavity Thoracic, abdominal, or pelvic Smaller cavities Orbital, nasal, or buccal (continued)

Body Cavities

Question True or False: The cranial cavity contains the spinal cord.

Answer False Spinal cavity Cranial cavity Located within spinal column Contains spinal cord Cranial cavity Located in skull Contains brain

Abdominal Regions Epigastric Right and left hypochondriac Umbilical Right and left lumbar Hypogastric Right and left iliac

Regions

Question Which of the following regions is located just below the sternum (breastbone)? Hypogastric Hypochondriac Epigastric

Answer C. Epigastric Epigastric region Hypogastric region Located just below stomach Hypogastric region Located over pubic area

Answer C. Epigastric Hypochondriac regions Located below ribs on either side of epigastric region

Abdominal Quadrants