Anatomy Questions

How the heart beats: the ___ fill with blood. The ___ contract, filling the ____ with blood. The ___ sends signals that cause both ____ to contract. The signal travels to another area in the heart called the _____, causing both ventricles to contract

The most abundant amount of blood vessels in our body are ____

The heart is divided into _ compartments called ____

The right and left ventricles pump blood __ the heart

Veins are the color ___. This means that they are ____ rich and ____ poor

The circulatory system transports ___ to deliver important substances, such as oxygen, and removes ____, such as carbon dioxide

The circulatory system carries disease fighting materials produces by the

Fast twitch muscles rely on _____, which causes a buildup of lactic acid

Slow twitch muscle fibers have more _____ than fast twitch muscle fibers

Cellular respiration provides ____ for energy

Cardiac muscles are arranged in a ___ that allows the heart muscle to contract efficiently and rhythmically

Sarcomeres are ____ of muscle and the part of the muscle that ____

Myofibrils are arranged in sections called

Skeletal muscle is arranged into ____, which consist of many smaller units called _____

During exercise, _____ builds up in muscle cells, causing fatigue

Which two types of muscle are striated and which one isn't

What is the largest structure of the brain

The minimum stimulus to cause an action potential to be produced is a ____

An action potential is carried across synapses gaps by ____

What are two key points about the effects of the nervous system?