The walls of what part of the heart are substantially thicker because that chamber has to pump blood out to the body.
left ventricle
What large blood vessels carry blood away from the heart?
arteries
What is the voice box known as?
larynx
What are the fingerlike projections of the small intestine that increase the absorptive surface area?
what are villi
This is the tube eliminating urine from the bladder
the urethra
What is considered “normal” blood pressure?
120/80
Which blood vessels are a single cell thick allowing diffusion to occur?
capillaries
What is the role of mucus in the nasal cavity?
trap incoming bacteria and other foreign debris
What type of macromolecules are sugars and starches classified as?
What are carbohydrates
The skin is considered part of the excretory system because it secretes what two things in sweat
Water & salt
Large veins have ________ to prevent the backflow of blood.
valves
What part of a red blood cell binds and transports oxygen?
hemoglobin
Where in the lungs does the exchange between oxygen & carbon dioxide take place?
the alveoli
When you chewed a cracker in our lab, it became less salty and more sweet. This was due to the presence of what enzyme?
Salivary amylase
Inside your kidney, you have about one million tiny filtering units called….
Nephrons
Top 2 chambers of the heart
The right & left atria
These are technically not cells, but fragments of cells used for clotting.
platelets
Which lung has only 2 lobes? Why?
The left. To make room for the heart.
Bile is formed by the ________ and stored in the ________.
liver, gallbladder
These are the tubes connecting the kidneys to the bladder
the Ureter
What is high blood pressure called?
hypertension
The condition in which maternal antibodies cross the placenta and destroy the baby's RBCs is called ________.
hemolytic disease
What happens to the diaphragm and intercostal muscles during Expiration (exhalation)?
The diaphragm and intercostal muscles relax
What organs release secretions into the small intestine? (at least 2)
Liver, gallbladder, pancreas
What are the three different phases (in order) as blood flows through the kidney?
filtration, reabsorption, and secretion