3) All of the following are reflex reactions EXCEPT a knee jerk. b sneezing. c the dilation of pupils. d throwing a ball.

Q: Don't copy from Google 2) Categorize 4 major neurotransmitters by chemical type and effect?

A: Neurotransmitters are the endogenous chemicals which function to transmit signals from neuron to a t...

Q: Why does a person feel dizzy if he or she stands up tooquickly from sitting or lying down?

A: Dizziness is an unbalanced, smooth, or lightheaded sensation. It affects the sensory organs, in part...

Q: Which chemicals cross the blood–brain barrier passively?

A: The blood brain barrier is the semipermeable membrane composed of endothelial cells. It prevents unw...

Q: Explain how hormones act specifically on only some cellsor organs although they are transported by t...

A: The endocrine system consists of glands like pituitary glands and organs like reproductive organs (t...

Q: The pressure difference between the intra-alveolar and intrapleural pressures is called ________.a. ...

A: Respiratory systems include, nose, esophagus, trachea, a pair of lungs and bronchi. Bronchi and bron...

Q: Identify the Connective Tissue

A: Introduction: The connective tissue composed of cells named chondrocytes and fibers (yellow elastic ...

Q: Of the various stages of human life, the earliest time that an arrested primary oocyte would resume ...

A: Human development occurs through different stages during the progress of life through changes in phy...

Q: Anatomy and Physiology Question

A: Epithelium or epithelial tissue is one of the major tissues in our body that covers/lines both the i...

Q: Discuss the location of the cubital fossa, and describe what isfound in this depression

A: The cubital fossa is a structure found in the hand. So here it is located in between the arm and for...

Q: Don’t copy from web pls. As much of information as possible pls

A: Foot deformities are heterogeneous groups of conditions involving structural abnormalities or muscul...

Q: name and describe the modes of tissue growth;

A: Tissue growth is the process by which tissue increases their size, number of cells and volume and it...

Q: What muscle is the prime mover in suckingthrough a soda straw or spitting out amouthful of liquid?

A: Muscles are the largest delicate tissues of the musculoskeletal framework. Muscle is inferred from t...

Q: Explain how the ventilation-perfusion ratio progressively changes from the upper to the lower lung r...

A: The ventilation- perfusion ratio can be defined as the ratio of the amount of air reaching the alveo...

Q: Describe the structure and function of the intervertebral disks.

A:  The vertebral column, which is a characteristic feature of the vertebrates is located in the body's...

Q: Describe the structure, function, and production of erythrocytes.

A: Erythrocytes or red blood cells are biconcave disks that carry oxygen and deliver it to different pa...

Q: The smallest inhaled particles are trapped by O Mucus of upper respiratory tract O Alveolar macropha...

A: The respiratory tract is referred to  the path of air from nose into the lungs. It is divided into: ...

Q: Select the two most appropriate muscle(s) that perform(s) this body movement: | Teres Major | Ancone...

A: The picture shown here represents a type of upper body exercise, lateral arm raises. It helps in inc...

Q: Select the two most appropriate muscle(s) that perform(s) this body movement: | Teres Major | Brachi...

A: Introduction: The wrist joint or the radiocarpal joint is the synovial joint of the ellipsoid type p...

Q: What are some ways that aging can affect the respiratorysystem?

A: The human respiratory system is responsible for inhalation and exhalation of oxygen and carbon dioxi...

Q: Define The LIS1 protein, whichregulates dynein, is required for brain development.

A: Lissencephaly is related to brain disorders, this disease leads to sporadic mutations in the gene LI...

Q: What are major components of the nuclear lamina.They contribute to genome organization as well as to...

A: The nucleus is the core of the cell which commands the metabolic events. The nucleus is the reposito...

Q: Illustration of the major organs of digestion and its coats or layers

A: Introduction: The digestive system comprises the digestive tract that is also referred to as the ali...

Q: The aortic valve closes (a) at the same time the mitral valve closes, (b) just after the atria contr...

A: The human heart consists of four chambers. The two upper chambers are called right atrium and left a...

Q: Tabulate the difference histologically between the small and large intestine. Explain

A: The digestive region  has the duty of crushing food down from its macromolecular structure, to its c...

Q: Describe the structural and functional changes in the digestive system in old age?

A: The digestive system of the human body is made up of a collection of organs that work together to co...

Q: Define Organelle transport by microtubule motors.

A: Organelle transport means there occurs movement of vesicles and substances within a cell.

Q: Describe the position of the body when it is in the anatomical position.

A: The scientific study of the structures in the human body is referred to as human anatomy. It focuses...

Q: Identify the sequence of steps in the procedures for evaluating cardiorespiratory fitness (CRF).

A: The human respiratory system is made up of a set of organs and tissues that aid in breathing. The pr...

Q: Licking cold ice cream off an ice cream cone stimulates a variety of sensory receptors associated wi...

A: A physiological process in which organisms respond to chemical stimuli is known as chemoreception. H...

Q: The area in the lungs that PO2 and PCO2 do not change is called...? O Pleura O Alveoli O Dead Space ...

A: Lungs are the major organ where diffusion of gases takes place, CO2 exhales and O2 is inhaled and it...

Q: Define sinus

A: Sinus refers to the mucus-lined hollow space present inside the bones of the face or skull. There ar...

Q: Two main substances regulated by the influence of aldosterone on the kidney tubules. Choose Answer f...

A: The nephron is the structural and functional unit of the kidney present in our body which is compose...

Q: Define base

A: The term base can be defined in various aspects like its definition would be different in chemistry ...

Q: What type of bond would form when electrons are sharedbetween an atom with stronger electronegativit...

A: Covalent bonds form when electrons are shared between atoms and are attracted by the nuclei of both ...

Q: The lumen of the ureter is continuous with a space inside the kidney. This space has branching exten...

A: The urinary system of the body comprises the kidney (main functional organ where urine is formed), u...

Q: What is the general function of ATP in metabolism?

A: Metabolism is the sum of every single reaction carried out by enzymes in multi step pathways, that o...

Q: List the major parts of a skeletal muscle fiber, and describe the function of each part.

A: The human skeleton is the body's internal structure. It is made up of about 270 bones at birth, but ...

Q: Define duodenum

A: In the digestive system, most of the digestion and absorption of nutrients occur in the small intest...

Q: If the right femoral artery were blocked, would any blood beable to reach the right leg? Why or why ...

A: Arteries carry oxygenated blood from the heart to the cells of the body. These are blood vessels, mo...

Q: Write the equation that defines the contributions of the three determinants of resistance?

A: The movement of blood through a vessel, tissue, or organ which is generally expressed in terms of vo...

Q: The greatest range of mobility of any joint in the body is foundin thea. knee joint.b. hip joint.c. ...

A: A joint is an articulation between 2 bones within the body and is broadly speaking classified by the...

Q: List the four types of general sensory receptors, and identify the nature of the stimulus that excit...

A: The sensory receptor can be defined as the type of receptor that gets excited by the specific stimul...

Q: What the tem refers lissencephaly

A: The nervous system acts through nerve impulses along the axons of the neurons and neurotransmitters ...

Q: Discuss about Accessory proteins found in skeletal muscle.

A: The muscular system of the body is made up of three distinct type of muscle fibers that differ in te...

Q: What does each of the secondary brain vesicles become in the mature brain?

A: The bulge-like feathers of the neural tube's early development that are formed around the fourth and...

Q: Which of these processes increase(s) heat loss from the body?a. dilation of dermal arteriolesb. cons...

A: Introduction: The dermis is a layer of skin comprising of blood vessels referred to as arterioles. B...

Q: Which muscle is this?

A: There are more than 600 muscles in our body which controls various activities of our body. 

Q: The thalamus acts as a relay point for all but what type of sensory information?

A: The diencephalon lies between cerebrum and mesencephalon. Its cavity is called the third ventricle o...

Q: What does the flow of food from the mouth to the anus?

A: The digestive system is the most essential system of our body. It generally takes nutrients from the...

Q: Describe the characteristics of the respiratory membrane.

A: The respiratory system is responsible for fulfilling the oxygen requirements of the body by executin...