Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Science U9
Science
| Question | Answer |
|---|---|
| Which layer of the skin is made of fat cells and act as an insulator and a cushion for the skin? | subcutaneous layer |
| antigens? | foreign substances that cause the body to produce antibodies |
| Digestive | breaks down food for use; absorbs nutrients from food |
| organs that make up the nervous system? | brain, spinal cord, peripheral nerves |
| Hemoglobin? | molecule in red blood cells that is able to carry both oxygen and carbon dioxide |
| Hormones? | chemicals formed in endocrine glands and sent to other parts of the body through the bloodstream; affect the functions of organs and tissues of the body |
| Platelets? | small fragments enable blood to clot |
| What is epidermis made of? | epithelial tissue |
| skeletal | supports, moves; protects, and stores calcium for the body |
| The purpose of the reproductive system? | to create another human being |
| White blood cells? | cells are much larger than red blood cells and contain nuclei |
| adrenal glands | help the body respond to excitement and stress |
| When does fertilization take place? | when a sperm cell unites with an egg cell |
| What are some vessels and glands contained in the dermis layer of the skin? | blood vessels, nerve receptors, hair follicles, hair, sweat glands oil glands, wax glands and muscles |
| Which type of tissue works with the brain to carry main electrical impulses? | nerve |
| integumentary | protects body from outside bacteria; keeps organs safely inside body |
| Blood flows from the heart to other parts of the body in ______________ circulation. | systemic |
| Chemical digestion? | takes place when the food is broken down into its various chemical components by digestive juices and other chemical materials in the body |
| In the small intestine: | Nutrients in food are then absorbed into the bloodstream. |
| The purpose of the digestive system? | to break down food for the body to absorb and use |
| Nutrients? | substances in food that provide energy for the body and enable its cells to develop and grow |
| Which is a thick cord of nerves and blood vessels bundled together, that could be called the communication headquarters? | spinal cord |
| Pacemaker? | tissue that controls the rhythm of the heartbeat |
| What is the function of the kidneys? | to collect and filter blood from the bloodstream and to send wastes to the bladder |
| Muscular | provides movement, heat, facial expression, heartbeat, and strength for the body |
| Capillaries. | tiny vessels that connect the other vessels and allow gas exchange and waste pickup to take place |
| Alveoli | tiny sacs in the lungs that fill with oxygen |
| What organ filters out waste from nutrients before sending them out to the cells? | Liver |
| Plasma? | liquid part of blood; contains mostly water |
| Which is an organ that works with skeletal muscles to keep the body in balance and allows a person to make voluntary movements, such as walking, speaking, and moving limbs? | cerebellum |
| What are human body tissues? | large groups of the same type of cell, all working together for one purpose |
| What is the job of epithelial tissues? | They form the protective covering for each organ. |
| Which is an organ that controls breathing, heartbeat, blood pressure, and most involuntary movements? | medulla |
| The function of the lymph nodes is: | work to trap and filter out harmful materials found in the lymph before returning the fluid to the circulatory system |
| circulatory | pumps blood; transports blood containing oxygen and carbon dioxide |
| endocrine | produces hormones to regulate the body in response to internal stimuli |
| lymphatic | collects excess fluids; fights infection |
| Which type of tissue is able to stretch and shrink as needed to enable movement? | muscle |
| What is true about the top layer of the epidermis? | mostly dead cells stacked, made of epithelial tissue |
| The central nervous system? | command and communication center that gives all of the orders and takes in all of the information from various stimuli, one of the parts of the nervous system, located in the center of the body and includes the brain and the spinal cord |
| nervous | senses and responds to stimuli from both outside and inside the body |
| As the primary component of the immune system, the function of the ____________ is to target and destroy harmful bacteria and other invading substances. | white blood cells |
| The peripheral nervous system is made of tiny cells called ______. Each is composed of three basic parts—the body, ________, and axons. | neurons, dendrites |
| reproductive | begins and supports the production of new human beings |
| Bones are made of _______ cells, as well as substances such as calcium, ______, and fibers. | living, phosphorus |
Created by:
user-1743945
Popular Science sets