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7th Grade Ch 3


Which branch of circulation serves the heart? systemic
A group of tissues specifically arranged to perform a definite function for the body is an organ
What is the largest lymphatic organ? spleen
Which structure exchanges oxygen and nutrients between an unborn child and its mother? umbilical cord
Which dome-shaped muscle aids in breathing? diaphragm
What is tissue fluid called after it enters the vessels? lymph
Bones in joints are connected by ligaments
What is the first section of the small intestine? duodenum
What is the scientific name for the windpipe? trachea
The largest internal organ in the body is liver
What substance covers the crown of a tooth? enamel
Bile is produced by which organ? liver
Hair-like tubes in the small intestine that absorb nutrients are called villi
The joints in the shoulders and hips are examples of what type of joint? ball-and-socket
What is the primary pigment that causes skin color? melanin
What structure controls simple reflexes? spinal cord
Food travels through the body in the _________________ canal. alimentary
Identify the scientific name for the shoulder blade scapula
Chemicals that regulate many automatic body functions are called hormones
The division of the nervous system that contains the brain and the spinal cord is the central
What portion of the body contains most of the vital organs? trunk
What type of tissue is able to conduct impulses through the body? nerve
What bone protects the brain? cranium
The largest vessels that carry blood away from the heart are called arteries
What are cells that carry oxygen through the blood called? red blood cells
What connects the kidneys to the bladder? ureters
What is the tough membrane that encloses the heart called? pericardium
What are the muscular contractions that push food through the esophagus called? peristalsis
What part of the brain controls balance and coordination? cerebellum
Which system removes liquid waste? urinary
Which system has glands that control internal body functions? endocrine
Which system provides movement for the body? muscular
Which system breaks down food? digestive
Which system supports the body and protects vital organs? skeletal
Which system transports nutrients and oxygen to cells and carries wastes from cells? cardiovascular
Which system covers and protects the body? integumentary
Which system controls other body systems? nervous
Which system provides oxygen and removes carbon dioxide? respiratory
What are the three layers of skin from top to bottom epidermis, dermis, subcataneous
Muscles that work whether you think about them working or not are called involuntary
What are the two types of fractures? simple and compound
What are the two main divisions of the skeleton? axial and appendicular
Life begins at __________________. conception
The air sacs in the lungs are called alveoli
A group of organs that function together to do a specific job in the body is a system
One of the hormones released by the islets of Langerhans to regulate sugar levels in the body is insulin
Describe the structure of teeth and explain how they are anchored in the jaw.
Created by: misschapman



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