Staci Biology study guide

skeletal muscular system

A student is seriously injured on the football field. The student is taken to the emergency room and assessed by the nurse on duty. Upon examination the nurse determines that the student is unable to move his leg. Which two body systems could possibly be affected?

Bolus

As chewing in the mouth continues, the tongue moves the food towards the back of the mouth before swallowing. This chewed food is called a ________.

lymphatic ducts

Cholesterol and fat does gets absorbed into what vessels in the microvilli?

duodenum, jejunum, ileum

Chyme passes through the small intestine in a specific order. Which of the following represents the proper sections of the small intestine that chyme would pass when leaving the stomach.

causes oxygen to diffuse from the alveoli into the capillaries.

Gas exchange in the alveoli

three

How many layers of smooth muscle surround the stomach?

one organism is helped and the other organism is helped

Mutualism is when

the squeezing action of the muscles of the alimentary canal.

Peristalsis is

Pharynx

The _______ is located in the back of the mouth in the throat. It contains two tubes that lead to either the stomach or the lungs.

duodenum

The ___________ is the first part of the small intestine.

sphincter

The ____________ contract to close off the contents of the stomach.

to bind to oxygen in the lungs to carry it to the tissues of the body

The function of hemoglobin in red blood cells is to

Muscle cell -> muscle tissue -> biceps muscle -> muscular system

The human body is composed of organ systems. Which list represents a system organized from least to most complex?

increase surface area

The purpose of the alveoli in the lungs and the villi in the intestine is to

Esophagus

This tube leads from oral cavity to the stomach.

True

True or False: Peristalsis moves the bolus in more than one direction

removes water from chyme removes salts from chyme stores feces *kills E. coli that may be on food*

Which of the following IS NOT a function of the large intestine?

pituitary gland

Which of the following IS NOT part of the digestive system?

Pancreas : sodium bicarbonate *Liver : stores bile* Gall bladder : stores bile Pancreas : Amylase

Which of the following is paired INCORRECTLY?

Sucrace : breaks down glucose

Which of the following is paired incorrectly?

digestive system secretes bile that stimulates inhalation and exhalation in the lungs.

Which of the following organ systems are paired incorrectly with the respiratory system?

nose, pharynx, larynx, trachea, bronchi, broncioles, alveoli

Which of the following shows the correct flow of gas into the body?

Denatures the enzymes in the stomach to prevent them from working until they enter the small intestine.

Which of the function IS NOT a function of the stomach acid

Intestinal bacteria obtain nutrients from the gut and produce vitamin K used by humans

Which of these best demonstrates mutualism between certain types of bacteria and humans?

It filters the air It warms the air It humidifies the air.

Why is breathing through the nose important?

mechanical

__________ digestion is the process where teeth tear and grind food into small pieces