With which human organ systems (or human systems) are the following associated ?
(i) vena cava
(ii) glomerulus
(iii) alveoli
(iv) villi

Q. With which human organ systems (or human systems) are the following associated?​

Q. What do the following transport?
(i) Xylem (ii) Phloem (iii) Pulmonary vein (iv) Vena cava

Q. State the following statement true or false:

Q. Which of the following structures are associated with the human male reproductive system?

Q. Name the substances on which the following enzymes act in the human digestive system :
(i) Trypsin
(ii) Amylase
(iii) Pepsin
(iv) Lipase