Human Body 1
How do platelets help the body?
helps with the clotting the blood
What are the 3 main parts of the circulatory system?
The heart, blood vessels, and blood
What are the 3 types of muscles found in the body?
Smooth, cardiac, and skeletal muscle
Where is urine held/stored in the body before its removed from the body?
The bladder
What is the largest organ of the body that acts as a physical barrier to the outside world?
The skin
How do the nutrients in the food you eat reach the cells in your body?
Nutrients in digested food pass through the walls of the small intestine and are carried by the blood to the cells
Name 2 functions of the integumentary system
1. Provides protection
2. Regulates our body temperature
3. Gives us a sense of touch
What is a flexible tissue that covers the ends of bones and protects bones from wear and tear?
Cartilage
Where two or more bones meet is called a...
Joint
Name 2 types of joints in the body and give an example of each
Hinge=knees, elbows, fingers
Ball and socket= shoulders, hips
Gliding= wrists, ankles, spine
Pivot=neck (top 2 vertebrae)
Fixed/immovable= skull, ribs
What organs in the urinary system filter urea out of the blood?
The kidneys
Name two substances that our muscles need in order to function
Oxygen and nutrients
This circulation allows blood to travel from the heart to ALL OTHER BODY SYSTEMS and back
Systemic Circulation
This circulation allows blood to travel from the heart to just THE LUNGS and back
Pulmonary Circulation
What is the name of the windpipe that carries air into the lungs?
The trachea
How does the diaphragm help us to breathe?
When it contracts (moves down), it allows us to inhale and when it relaxes (moves up), it allows us to exhale
What makes up the central nervous system?
The brain and the spinal cord
Which organ of the body helps you decide what you are going to say and helps to control your emotions and memory?
The brain
What makes up the peripheral nervous system?
All the nerves in our body
What are the two tubes that carry urea, excess water, and salt from the kidneys to the bladder
The ureters
______ send electrical impulses away to other cells, while _______ receive electrical impulses from other cells
AXONS sends electrical impulses away to other cells, while DENDRITES receive electrical impulses from other cells
What is it called when oxygen reacts with sugar (glucose) in food to make energy for the body?
Cellular Respiration
Name the 2 types of white blood cells (lymphocytes)
T-cells and B-cells
Name 3 systems that work with the Urinary System to get rid of waste from the body
Digestive System, Integumentary System, and the Respiratory System
Name two endocrine system glands/organs and what hormone they each produce
Pituitary Gland= Makes growth hormone
Pineal Gland= Makes melatonin (regulates sleep)
Thyroid Gland= Makes thyroid hormone (controls metabolism)
Adrenal Glands= Makes adrenaline (activates “flight or fight” response)
Pancreas= Makes insulin & glucagon (regulates blood sugar)
Ovaries= Makes estrogen (controls puberty & development in girls)
Testes= Makes testosterone (controls puberty & development in males)