What is the fundamental unit of every living thing?
The cell
Cells are everywhere in the human body; every tissue and organ is made up of these individual units.
Name the types of cells mentioned.
- Muscle cell
- Nerve cell
- Fat cell
- Epithelial cell
- Lymphocyte
Cells can have technical names such as epithelial (skin) or lymphocyte (white blood cell).
What is a tissue?
A group of similar cells working together to do a specific job
The primary tissues include epithelial, connective, skeletal, muscular, glandular, and nervous.
Who is a histologist?
A scientist who specializes in the study of tissues
Histologists analyze the structure and function of tissues.
What are organs composed of?
Several kinds of tissue
Organs have special functions and some can be in pairs, allowing one to function if the other is removed.
What is the medical term for internal organs?
Viscera (singular: viscus)
Examples of abdominal viscera include the liver, stomach, intestines, pancreas, spleen, and gallbladder.
What are systems in the context of human anatomy?
Groups of organs working together to perform complex functions
For example, the digestive system includes the mouth, esophagus, stomach, and intestines.
What is the digestive system comprised of?
- Mouth
- Pharynx
- Esophagus
- Stomach
- Small intestines
- Large intestines
- Liver
- Gallbladder
- Pancreas
The digestive system is responsible for ingestion and digestion of food as it travels from the mouth to the anus.
The urinary or excretory system consists of which organs?
- Two kidneys
- Two ureters
- Bladder
- Urethra
This system is concerned with the secretion and excretion of urinary products.
What organs are included in the respiratory system?
- Nose
- Pharynx
- Larynx
- Trachea
- Bronchi
- Lungs
The respiratory system is involved in the interchange of gases between an organism and the atmosphere.
The reproductive system includes different organs for males and females. Name the female reproductive organs.
- Ovaries
- Fallopian tubes
- Uterus
- Vagina
- Mammary glands
The male reproductive organs include the testes, urethra, penis, and prostate gland.
What glands are part of the endocrine system?
- Thyroid gland
- Pituitary gland
- Sex glands (ovaries and testes)
- Adrenal glands
- Pancreas
- Parathyroid glands
- Pineal gland
- Thymus gland
The endocrine system consists of glands that produce secretions discharged into the blood or lymph.
The nervous system consists of which main components?
- Brain
- Spinal cord
- Nerves
It regulates and coordinates body activities and includes the central and peripheral nervous systems.
What does the circulatory system consist of?
- Heart
- Blood vessels
- Lymphatic system
Also known as the cardiovascular system, it is responsible for moving blood through the body containing oxygen and nutrients.
What is the muscular system composed of?
- Muscles of the body
The muscular system enables movement and stability.
The skeletal system consists of what?
- Bones
- Joints
The skeletal system provides structure and support to the body.
What is a body cavity?
A space within the body that contains internal organs (viscera)
The body can be divided into five main cavities.
Name the five main body cavities.
- Cranial cavity
- Thoracic cavity
- Abdominal cavity
- Pelvic cavity
- Spinal cavity
Each cavity contains specific organs and structures.
The cranial cavity contains which organs?
- Brain
- Pituitary gland
It is located within the head or skull.
What organs are found in the thoracic cavity?
- Lungs
- Heart
- Esophagus
- Trachea
- Bronchial tubes
- Thymus gland
- Aorta
The thoracic cavity is the chest region.
The abdominal cavity includes which organs?
- Stomach
- Small intestines
- Large intestines
- Spleen
- Liver
- Gallbladder
- Pancreas
It is located in the belly area.
What is the peritoneum?
The double folded membrane surrounding the abdominal cavity
It plays a role in protecting and supporting abdominal organs.
Where are the kidneys located in relation to the peritoneum?
Behind the peritoneum (retroperitoneal)
This positioning is important for understanding kidney anatomy.
The pelvic cavity includes which organs?
- Urinary bladder
- Urethra
- Ureters
- Uterus
- Vagina (in females)
It is located in the lower abdominal area.
