Health unit 1

The basic structural unit of the body
Cell
To draw together
Contract
The fluid like substance contained within the cell membrane, the nucleus now included
Cytoplasm
Acronym for deoxyribonucleic acid; the genetic “blueprint” that determines the cell’s purpose & function
DNA
The organelle within a cell that functions as its brain, regulating its production of protein.
Nucleus
A group of tissues that works together to preform a specified bodily function
Organ
A structure that performs a specific function within a cell
Organelle
Organs working together to perform a specific bodily function
Sustem
A group of cells that have the same purpose
Tissue
Muscular
Which tissues work together to form muscles ?
Cell
The basic structural unit of the body is the:
True
TRUE OR FALSE: Organs are comprised of tissues that work together to preform a specific bodily function
Systems
Groups of organs that work together to complete a process in the body are called:
Connective
Which tissues connect the parts of the body?
DNA
___ contains information that determines a cells purpose and function
The nucleus
Which part of the cell is the organelle that functions as it’s brain ?
Nerve
Which kind of tissue sends messages from the brain to the rest of the body?
Brain and spinal cord
Select the two main organs of the central nervous system
Central
The ____ nervous system receives information from sense organs and analyzes that information
The autonomic nervous system
What part of the nervous system controls the internal organs ?
To gather, store, and respond to informatiob
What is the main purpose of the nervous statem
Not controlled by will
Involuntary
Tough, leathery structure that holds a joint together
Ligament
Rope-like structure that attaches muscle to bone
Tendon
Controlled by will
Voluntary
Axial
The ___ skeleton protects the body’s vital organse
Epidermis
The ___ is the outer layer of the skin which makes the body waterproof, gives it color, and helps to maintain hydration levels
True
TRUE OR FALSE: movements occur when the appendicular skeleton works independently of the muscular system
Voluntarily
Skeletal muscles are controlled ____
Bones
There are 206 __ in the human body
Integumentary system
Which system protects the body from harmful bacteria, sunlight, and injury ?
1. To provide the body with a strong & mobile framework. 2. To supply the body with blood cells & minerals
Which of the following are functions of the skeletal system ?
Smooth
Cardiac and ___ muscles are types of involuntary muscles
Dermis
The ____ is the inner layer of skin, which contains blood vessels, sweat glands, hair follicles, and nerve cells
Axial
The ____ skeleton consists of the skull, spine, ribs, and sternum
CNS
Skeletal & smooth muscles move when nerve impulses, sent from the _____ stimulate the muscle fibers, telling them to either contract or relax
600
The muscular system is composed of approximately ____ skeletal muscles
A hollow, muscular organ at the bottom of the abdomen that holds and discharges urine
Bladder
Partly digested food that is passed from the stomach to the small intestine
Chyne
The process by which food is converted into a form that can be used by cells
Digestion
A muscular tube which transports food from the pharynx to the stomach
Esophagus
A liquid filtered from the blood by the kidneys and discharges by the body as waste
Urine
Anus
The undigested substances are passed out of the body through the ___
Salivary glands
The ___ in the mouth secrete enzymes which help prepare the food for digestion in the stomach
Urinary bladder
The ___ stores the waste until it is ready to be expelled from the body
Kidneys
The ____ remove excess water, salts, uric acids, and chemicals from the blood.
Esophagus
The pharynx forms the blood substance into balls and then pushes it into the ____
Digestive
Which system prepares food for absorption into the bloodstream ?
Small intestine

Villi

Nutrients are absorbed into the bloodstream through small finger like nodules on the wall of the _____ called _____
Large intestine
The remaining amounts of water, vitamins, and minerals are absorbed in the __
Renal artery
The ___ channels the waste filled blood to the excretory system
Stomach
While in the ___ food is broken down by powerful acids and turned into chyme
Small intestine
The ___ secrets salts, acids, and enzymes, which continue the breakdown of proteins, fasts, and carbohydrates
Kidneys
The main organs of the excretory system are the ___
Pharynx
After the food has been chewed and lubricated, it is pushed by the tongue into the ____
Hormones
____ control he functioning of organs

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