Introduction of the human body Flashcards
1
Q
Chemical Level
A
Atoms combine to form molecules
- Smooth muscle cell
2
Q
Cellular level
A
Cells are made up of molecules
3
Q
Tissue level
A
Tissue consist of similar types of cells
4
Q
Organ level
A
Organs are made up of different types of tissue
5
Q
Organ system level
A
Organ systems consist of different organs that work together closely
6
Q
Organismal level
A
The human organism is made up of many organ systems
7
Q
Integumentary system
A
- Skin, hair, and nails
- External body covering
- Protects deeper tissues from injury
- Synthesizes vitamin D
- Site of cutaneous (pain, pressure), receptors, sweat and oil glands
8
Q
Skeletal system
A
- Protects and supports body organs
- Provides a framework the muscles use to cause movement
- Blood cells are formed within bones
- Stores minerals
9
Q
Muscular system
A
- Allows manipulation of the environment, locomotion, and facial expression
- Maintains posture
- Produces heat
10
Q
Nervous system
A
- Fast-acting control system of the body
- Responds to internal and external changes by activating appropriate muscles and glands
11
Q
Endocrine system
A
- Glands secrete hormones that regulate processes such as;
- Growth
- Reproduction
3, Nutrient use (metablism) by body cells
12
Q
Cardiovascular system
A
- Blood vessels transport blood
- Carries o2, co2, nutrients, wastes
- Heart pumps blood
13
Q
Lymphatic system/immunity
A
- Picks up fluid leaked from blood vessels and returns it to blood
- Disposes of debris in the lymphatic stream
- Houses WBC (lymphocytes) involved in immunity
- Immune response mounts an attack against foreign substances within the body
