The Human Body Flashcards
What are the levels of cellular organization for the human body?
Cell, Tissue, Organ, Organ System, Organism
What is a cell?
The smallest unit of life
What is a tissue?
Similar cells working together
What is an organ?
Similar tissues working together
What is an organ system?
A group of organs working together
What can muscles generate?
Heat
Where can smooth muscles be found?
Stomach, Intestines, Esophagus, Uterus, Bladder
Which type of muscles are involuntary?
Cardiac and Smooth
Muscles work as pairs. When one muscle relaxes, the other………
Contracts
Muscles always pull, which means they never….
Push
Muscles need…… which is a mineral that muscles need to function properly
Calcium
What is a function of the muscular system?
Protect internal organs, pump blood throughout your body, allow you to breathe, maintain body temperature, move around, and digest food
Which muscle is found in the heart?
Cardiac
Lactic acid is a waste product produced during what type of respiration
Anaerobic (without oxygen)
What do skeletal muscles produce?
Movement
What do skeletal muscles maintain?
Posture
What is true about A.L.S?
There is muscle weakening
What attach bones to other bones?
Ligaments
What is the rubbery tissue that cushions bones?
Cartilage
Which organelle do cardiac muscles have a lot of? (which is why it never gets tired)
Mitochondria
What are the names of types of joints?
Pivot, gliding, ball-and-socket, and hinge
True or false: Nobody can wall sit forever because muscle fatigue sets in.
True
True or False: Skeletal muscles are voluntary
True
Which type of muscle is illustrated?
Smooth muscle
Which type of muscle is illustrated?
Skeletal muscle
Which type of muscle is illustrated?
Cardiac muscle
What are the 2 types of muscle contractions?
Voluntary and Involuntary
