Cells & Tissues
This jellylike substance found inside cells is composed of proteins, fats, carbohydrates, mineral salts, and water.
What is protoplasm.
The total number of bones found in the adult human body.
What is 206.
This type of muscle tissue is voluntarily controlled and attached to bones.
What is skeletal (or striated) muscle.
The largest and most complex nerve tissue in the body, contained in the cranium.
What is the brain.
The muscular, cone-shaped organ that keeps blood moving within the circulatory system.
What is the heart?
The part of the cell that controls reproduction and metabolism and contains DNA.
What is the nucleus.
This is the largest bone in the human body and forms the leg above the knee.
What is the femur.
The large, triangular muscle covering the shoulder joint that allows the arm to extend outward.
What is the deltoid.
These are treelike branches of nerve fibers that carry impulses toward the nerve cell.
What are dendrites.
These thick-walled, flexible tubes carry oxygenated blood away from the heart.
What are arteries.
These organelles are known as the "powerhouse" of the cell because they create energy in the form of ATP.
What are mitochondria?
The wrist is composed of how many small, irregular bones held together by ligaments?
What is 8.
These muscles in the forearm straighten the wrist, hand, and fingers to form a straight line.
What are extensors.
An automatic reaction to a stimulus that does not require the brain's permission is called this.
What is a reflex.
The largest artery in the body that carries oxygenated blood from the heart.
What is the aorta.
The phase of metabolism in which larger molecules break down to release energy is called this.
What is catabolism.
Repetitive flexing of this joint while filing can lead to carpal tunnel syndrome.
What is the wrist (or carpus.)
The part of a muscle where attachment occurs and movement happens is called the this.
What is the insertion.
This nerve supplies the thumb side of the arm and the back of the hand.
What is the radial nerve.
Blood is approximately this percentage water.
What is 80%.
This type of tissue binds together, protects, and supports various parts of the body and includes bone, cartilage, ligaments, tendons, and fat.
What is connective tissue.
The human foot is composed of this many bones, subdivided into tarsal, metatarsal, and phalange bones.
What is 26.
This muscle covers the front of the shin and bends the foot upward and inward.
What is the tibialis anterior.
The nervous system is divided into three main subdivisions: the CNS, PNS, and this one.
What is the autonomic nervous system (ANS.)
In an adult human body, there are approximately this many pints of blood.
What is 8-10 pints.